Cad cam courses faridabad jobs
...ability to streamline operations using automation tools. Excellent English communication skills are essential, and knowledge of products like Keragon is a significant plus. Key Responsibilities Go High Level Management: Create, manage, and optimize Go High Level accounts and workflows. Build and design custom landing pages, sales funnels, and automation processes. Set up and manage online courses and training programs. Website and Branding: Develop and maintain websites, ensuring seamless user experience. Create cohesive branding and visuals aligned with business goals. Marketing and Advertising: Manage Facebook marketing campaigns, including ad design and optimization. Develop marketing consultation strategies tailored to each business. Design and implement c...
I'm looking for a professional web developer who can create a home page for my academy. The design should be creative and artistic, aligning with a modern aesthetic while also being user-friendly. Key Features: - The home page should include sections like "Our Courses", "Testimonials", and "About Us". - The design should be creative and artistic, standing out from typical academic sites. Ideal Skills: - Proficiency in web development and design. - Experience in creating visually appealing and interactive websites. - Understanding of user experience (UX) principles. Please feel free to reach out if you have any questions or need further clarification.
I am looking for an experienced 3D jewellery designer to create a modern style ring for me. - The ring needs to be designed for 3D printing. - The design should be suitable for casting in gold. Ideal skills for this project include: - Proficiency in 3D modelling software, particularly CAD. - Experience in jewellery design. - A strong understanding of modern design aesthetics. Please provide examples of similar projects you've completed.
...and Golf Course Information Project Overview: We are looking to develop , a cutting-edge real estate platform tailored for golf course properties. This website will offer AI-driven property descriptions, integrate immersive golf course virtual tours, and provide unique real-time data, making it the top destination for golf enthusiasts interested in buying homes on or near golf courses. The project will require building a user-friendly front-end and robust back-end with AI-powered features, multimedia integrations, and real-time data. Project Requirements Breakdown: Core Features of the Platform: 1. AI-Powered Property Descriptions Objective: Automatically generate dynamic and personalized descriptions for golf course properties. Details: Use AI to create unique
I'm looking for a modern-style menu for my Asian food cart. The menu should include a variety of appetizers and main courses. Ideal Skills: - Menu Design - Culinary Knowledge (specifically Asian cuisine) - Graphic Design (for a modern aesthetic) Experience in designing food cart menus or similar would be highly beneficial. Please provide samples of your previous work if possible.
I need a seasoned CAD designer to create a 3D AutoCAD model of a machine (similar to a vending machine). The model should encapsulate both external features and internal components, serving purposes of product visualization, manufacturing, and marketing. Scope of Work: - Exterior Design: Design should include precise 3D modeling of the machine's outer structure, with accurate dimensions of features like the cleaning slot, user interface, and branding area. - Interior Components: This involves detailed modeling of the machine's internal mechanisms, which includes parts such as the cleaning chamber, fogging system, sterilizer, hot air dryer, scent dispenser, and control panels. - Wireframe View: A comprehensive wireframe representation is crucial to illustrate the connec...
I'm looking for a skilled designer to create a series of modern, minimalist-style pendants in 925 sterling silver. The designs should be clean, simple, and elegant, embodying the essence of minimalist design. Key Responsibilities: - Create CAD sketches for the pendants - Propose suitable techniques for rapid prototyping (RP) and room temperature vulcanizing (RTV) - Ensure the designs are feasible for production in polished 925 sterling silver Ideal Candidate: - Proven experience in jewelry design, particularly in CAD - Strong understanding of modern, minimalist aesthetics - Experience working with sterling silver and knowledge of jewelry production processes - Ability to create designs that are not only visually appealing but also practical for manufacturing Please p...
...primarily on online learning. - A user account management system, allowing for personalized learning experiences. - An efficient payment processing system for seamless transactions. Course Delivery Formats: - The website should support multiple course delivery formats including video courses, text-based courses, and live streaming courses. Learning Features: - The site should incorporate various learning features such as exams and certification management, alongside the delivery of video and text-based courses. Ideal Skills and Experience: - Extensive experience in e-commerce and online learning platform development. - Proficiency in creating intricate course management systems. - Expertise in implementing secure and reliable payment processing systems. - ...
I'm seeking a telecaller to help sell a professional-oriented course. The ideal candidate should have: - Excellent communication skills - Previous experience in sales, especially course selling - Understanding of professional development needs - on commission basis While I have some guidelines, the telecaller will need to be able to work independently and adapt their approach as necessary. They will primarily be communicating with potential clients over the phone.
I'm seeking a talented mechanical designer to develop a tailored inserter for a device. ...inserter for a device. The design needs to be simple yet efficient, adhering to specified criteria. It must also be compatible with an existing setup to ensure seamless integration and optimal performance. A 2D image of the inserter for reference is attached. Scope of Work: - Create a CAD design for the inserter in 10 different dimensions, which will be shared post-selection. - Ensure the design is manufacturable. Deliverables: - Provide CAD files in standard formats: STEP and STL. Ideal Candidate: - Proficient in CAD software. - Has a strong background in designing for manufacturing. Start your Bid with the word: INSERTER, so I know you read the post and not just a bot....
I'm seeking a skilled CAD designer to create moderate-detail CADs for a series of engagement rings for my jewelry brand. Key Requirements: - Proficient in CAD with significant experience in jewelry design - Able to create moderate-detail designs that balance intricacy and manufacturing feasibility - Understanding of engagement ring design elements and trends Please provide examples of your previous work in this area.
I'm seeking a designer with experience in creating a freeform parametric ceiling for cnc cutting. The ceiling's primary purpose is to enhance the aesthetics of the space. Key Requirements: - The design should incorporate geometric patterns, reflecting a modern and minimalistic style. - Use of hdmr materials is preferred. The designer should have knowledge about the properties and potential of these materials in ceiling design and construction. Ideal Skills: - Proficiency in parametric design software. - Experience with freecam design. - Understanding of geometric patterns and modern minimalistic style. - Experience in coral draw for cnc cutting - Knowledge in working with composite materials.
I need a .stl file resized. The top and bottom shapes should remain unchanged, but the full bottle size needs to be 4, 5, or 6 inches. The screw top must remain same size. Ideal skills for this job include experience with CAD software and STL file manipulation.
...President of Accounting at the University. (See Exhibit C). Despite these refunds, the University later applied charges to Plaintiff’s account in an amount equal to 1X Refund X. These charges were not visible in the University’s online payment portal, creating a false sense of resolution under promissory estoppel principles. (See Exhibit D). During the same semester, Plaintiff added mid-term courses and submitted tuition payments of Y on [Insert Dates]. Technical issues caused duplicate submissions, resulting in three charges for the same amount. While these charges were not disputed initially, the resulting negative balance (Z) compounded the confusion. (See Exhibits E, F, and G). Plaintiff received a phone call from the University’s accounting office alerti...
...professional web developer with experience in building on the Tutor LMS platform. The project involves creating a website for selling online courses. Key Requirements: - Proficiency in Tutor LMS. - Previous experience in e-commerce and LMS website development. - Understanding of SEO and digital marketing strategies to drive traffic to the site. Please note, the design of the website isn't strictly defined. I’m open to a range of styles from minimalist to modern or classic, as long as it’s user-friendly and effective in selling courses. The primary feature for this project is a course catalog. The site should be able to display a wide variety of courses, appealing to different types of learners. Ideal Skills: - Tutor LMS expertise - Web develop...
I'm looking for a professional to design a rugged phone case for me. The case should be made of durable polycarbonate material, known for its strength and impact resistance. Ideal Skills and Experience: - Proficiency in product design and CAD software - Experience designing polycarbonate cases - Understanding of rugged case specifications - Knowledge of mobile device dimensions and requirements - Strong portfolio of prior phone case designs Please provide a detailed proposal, showcasing your previous work with rugged designs and polycarbonate material.
I'm looking for a designer to create a 3D printable file for a custom ESP32 enclosure. The design should be based off an existing model ( should have a domed circular cover plate about 250mm in diameter.( I have some sample ideas that i can share) - It should include ventilation holes and mounting brackets. - The design should incorporate a custom logo on the front that will be a cutout. (Logo to be provided to the freelancer upon request) Ideal freelancer skills: - Proficiency in CAD software. - Experience with 3D printing design. - Ability to create custom logos in CAD. - Knowledge of materials and finishes suitable for 3D printing. (I have attached a sample of a similar project (note not the correct mesurements on this. It is simply a sample)
...producing an average consistent weekly roi of 100%-500% (risking 5% per trade, not the typical 1%), based on very advanced smc smart money concepts / lit liquidity inducement trap theorem concepts / algo-trading concepts? I have 15+ years of trading experience/competence (with sound knowledge regarding technical analysis, psychology, and risk management). I have spent $30k+ cad on various forex-related expenses: online forex courses / mentorship/coaching programs (manual discretionary trading vs mechanical/algorithmic trading), EAs (i.e. algorithmic softwares) / indicators (paid pre-built vs custom-built/customized), signal services, personal prop firm challenge passing / personal prop firm account management services, a single blown personal live brokerage account, and b...
I need an experienced professional to develop execution drawings and engineering plans for my house, using my detailed digital design concepts. Ideal Skills and Experience: - Proficiency in CAD and SketchUp - Strong background in interior design - Experience in creating engineering plans - Excellent attention to detail - Ability to work from provided digital files
I'm seeking a skilled professional to turn a hand-drawn sketch into a plastic prototype for product development. Key Requirements: - Proficiency in interpreting hand-drawn sketches and translating them into functional prototypes. - Extensive experience in product development prototypi...plastic prototype for product development. Key Requirements: - Proficiency in interpreting hand-drawn sketches and translating them into functional prototypes. - Extensive experience in product development prototyping. - Strong skills in working with plastic materials. Ideal Candidates: - Those with a portfolio of previous product prototypes made from hand-drawn sketches. - CAD professionals who can convert sketches into CAD files for precise prototyping. - Individuals with a backgro...
I’m #hiring. Know anyone who might be interested? Short-Term Trainer Opportunity (10 Weeks) Location: Cuddalore, Kallakurichi, Mayiladuthurai, Thiruvannamalai, Vellore, Villupuram Courses: 1️⃣ Advanced Data Analysis & Visualization 2️⃣ Power BI 3️⃣ Graphic Design About the Role: Join Ira Educational and Welfare Society to deliver impactful, hands-on training for Arts & Science undergraduates. Success in this role means engaging students with practical learning, ensuring skill development, and inspiring career readiness. Your work will contribute to empowering underserved communities with employable skills. Responsibilities: Deliver engaging, practice-oriented sessions across five colleges weekly for 9 weeks. Adapt teaching methods to accommodate diverse learning s...
I need a qualified architect or quantity surveyor to prepare detailed architectural and structural drawings along with a comprehensive Bill of Quantities (BOQ) for a residential villa extension in Harmony 2, Tilal Al Ghaf. Scope of work: - Preparing floor plans, elevations, and sections. - Providing structural and steel ...floor plans, elevations, and sections. - Providing structural and steel detailing. - Developing an itemized BOQ for materials and labor. - (Optional) Supporting authority approvals. Requirements: - Proven experience in residential projects. - Familiarity with Dubai authority standards (e.g., DDA, Dubai Municipality). - Ability to deliver within 1–2 weeks. Deliverables: - Complete drawings (PDF and CAD). - BOQ in Excel format. Assistance in comparing recei...
I want to transform my existing blog into a professional business website. The new website should serve as a platform to showcase content, engage visitors, and eventually support monetization strategies such as consulting services, online courses, or other offerings. Formal brief will be provided to shortlisted candidates.
I'm seeking an experienced professional to deploy an object detection vision AI app using Docker. The app will process images from a live camera feed, precisely a USB webcam. Key Requireme...experienced professional to deploy an object detection vision AI app using Docker. The app will process images from a live camera feed, precisely a USB webcam. Key Requirements: - Proficiency in Docker for deployment. - Previous experience with object detection vision AI apps. - Knowledge of working with live camera feeds. - Ability to ensure seamless integration with a USB webcam, IP camera, and Raspi Cam - user and tool database interface for tool checkin/out management Windows on-premise integration is a must among other platforms.
I'm in need of a talented CodeIgniter and PHP developer who can assist in fixing various functionality glitches on my LMS websit...areas of concern include: - Navigation menu: Needs to be intuitive and seamless for users. - Responsive design: Ensuring the site is accessible and functional across all devices. - Forms and buttons: Fixing any issues and enhancing their usability. Additionally, there are glitches in some functionalities that need immediate attention: - Course enrollment: Users are having trouble signing up for courses. - Payment processing: Ensuring this crucial functionality is smooth and secure. Ideal candidates should have: - Extensive experience in CodeIgniter and PHP - Strong problem-solving skills - Previous work with LMS websites is a plus. I look forwar...
I'm looking for a skilled CAD designer to transform an image of a ring into a highly intricate CAD model with fine details. The model will be used for 3D printing, so precision and attention to detail are crucial. Key aspects of the project: - The CAD model needs to capture a detailed design with texture, replicating the intricacies of the original ring image. - The final deliverables should be in STL and OBJ file formats. - The ring is to be a US size 7 with a 1.5 carat cushion shaped diamond. Ideal candidates should have extensive experience in CAD design, particularly for 3D printing, and a keen eye for detail. Please provide examples of similar projects you've completed in your proposal.
I'm in need of a Virtual Assistant who can help me manage my email and social media outreach. The primary platforms will be Facebook, Instagram, and LinkedIn, with a particular emphasis on personalized messaging on Facebook. Key Responsibilities: - Screen Recording & Editing: You'll be capturing YouTube channel pages and including face-cam footage for a more personalized outreach. - Video Attachment to Leads: For easy reference and follow-up, you'll attach the screen recordings to corresponding leads. - Direct Messaging: Your main task will be reaching out to 20-30 potential prospects daily across Instagram, Facebook, and LinkedIn with tailored messages. - Target Goal: Ensuring personalized and effective communication with 20-30 prospects across all platforms ev...
I'm video maker teacher and I would like have a website for study my training courses
I need a professional and corporate touch on my WordPress course selling website. Key Tasks: 1. Integrate Stripe payment link for three courses. The button should read: "Enrol now for just £50 deposit". 2. Add selected images to enhance the site's visual appeal. 3. Embed our contact form directly into the website. 4. Insert a provided enrolment form into the webpage. Your role will also involve improving the site's user-friendliness. This includes: 1. Simplifying the navigation menu. 2. Creating clear call-to-action buttons. 3. Positioning customer testimonials strategically throughout the site. The ideal candidate for this project should have: - Proven experience with WordPress and Elementor. - Skill in web design with a focus on creating a profession...
I'm seeking a skilled CAD designer with experience in designing for aerodynamics, specifically for an F1 car. - The designs will need to be manufacturing-ready, not just conceptual or detailed. - You will be utilizing complete design data that I have available. Ideal applicants will have a robust background in CAD design, particularly with aerodynamics, and prior experience in motorsports engineering will be a significant advantage. Please provide examples of your previous work in your application.
We are looking for a talented and creative Graphic Designer and Video Editor to collaborate on building engaging and visually appealing content for our online Java courses. The ideal candidate(s) will have experience in designing course materials and editing educational videos to create an impactful learning experience. Responsibilities: For Graphic Designer: • Design course-related graphics, illustrations, and infographics. • Create visually appealing slides and thumbnails. • Develop branding elements such as logos, icons, and animations for videos. • Ensure designs align with the course content and audience preferences. For Video Editor: • Edit and enhance video lectures, ensuring smooth transitions and professional quality. • Add captions, a...
...Integration: Integrate with back-end for user authentication (JWT/OAuth) and payment processing (Stripe/PayPal). Fetch and display dynamic content such as patient treatment progress. Cephalometric Integration: Implement basic Cephalometric tools for free users (limited functionality) and advanced features for paid users (multiple images, analysis). Search & Booking Systems: Develop a search system for courses, tools, and resources. Create an online booking form, integrating with the back-end. UI/UX Enhancements: Add smooth animations and transitions for interactive elements. Improve accessibility (keyboard navigation, ARIA labels, color contrast). Performance Optimization: Optimize images, implement lazy loading, and minify resources. Use code splitting and caching strate...
I'm looking for someone who can create top-notch content for a supercar brand. This includes designs, sketching, and CAD models. The ultimate goal is to identify the best candidate for a potential engineering or design role within the company. Key Responsibilities: - Create engaging content focused on supercars - Develop high-quality designs and sketches - Produce detailed CAD models Ideal Skills: - Strong understanding of supercars - Exceptional content creation skills - Proficient in sketching and CAD - Experience in conceptual design Please note, all types of design work will be considered, including sketching, CAD models, and concept designs.
...behavior and preferences to suggest roles, similar to Netflix’s recommendation system. 9. Advanced Search and Filtering • Enhancement: Enables natural language queries for targeted job results. 10. Chatbots for User Support • Capability: AI-powered bots assist with job searches, applications, and FAQs. 11. Skill Gap Analysis • Feedback: Identifies required skills and suggests relevant training courses. 12. Fraud Detection • Protection: Detects and mitigates fake job postings to safeguard users. 13. Sentiment Analysis for Employer Reviews • Insight: Analyzes employer reviews to provide transparent workplace insights. 14. Dynamic Salary Suggestions • Guidance: Offers competitive salary benchmarks based on industry trends. 15. Visual Resume Insigh...
I'm looking for a skilled WordPress developer to create a professional, corporate-styled e-commerce site for selling video schooling courses. The website must integrate WooCommerce, and it should be able to send an email with a download link for the purchased course videos to the customer post-payment. The site should also notify us with a confirmation email each time a customer receives a course link. Key Requirements: - Use of suitable WordPress themes (I am open to suggestions). - WooCommerce integration for managing e-commerce functionalities. - Setup of Credit/Debit Cards and 2D payments as the primary payment methods. - A clean and professional corporate design. Ideal Skills: - Proven experience in developing WordPress e-commerce sites. - Familiarity with WooCommerce. -...
I'm seeking an IT specialist with experience in web development and AI inte...website is to serve as an informational hub focused on education. - It will feature a variety of content, primarily centered around educational materials. - Important user interactions will include: - Online courses - Quizzes and assessments - Sales of related products Ideal Skills and Experience: - Extensive knowledge in IT with a proven track record in web development. - Experience in creating e-commerce sites, particularly in the educational sector. - Proficient in AI integration within websites. - Skills in creating interactive elements such as quizzes and online courses. - Understanding of e-commerce to facilitate sales of products. Please include examples of previous similar...
Title: Part-Time 3D CAD Designer for Automotive Parts (Atlanta, GA) Description: We are seeking a talented and detail-oriented 3D CAD Designer with experience in automotive part design to join our team on a part-time basis. This role involves creating precise and innovative 3D models for automotive components, working closely with our team to bring designs to life. Details: • Hours: 5–10 hours per week • Location: Must be based in Atlanta, Georgia, USA • Duration: Ongoing, part-time engagement Responsibilities: • Design and refine automotive parts using industry-standard CAD software • Collaborate with the team to ensure designs meet performance, aesthetic, and manufacturability requirements • Revise designs based on feedbac...
I'm in need of a skilled content writer who can help prepare assignments for outside universities, specifically focusing on Management and Finance topics. The ideal candidate would have a strong understanding of these fields and be able to write at a level suitable for UK university management courses. Key Responsibilities: - Write high-quality essays, research papers, and reports on various aspects of management and finance. - Ensure all content is well-researched, original, and meets academic standards. - Prepare assignments that are suitable for submission to UK universities. Ideal Skills: - Proven experience in academic writing, particularly in management and finance. - Strong research skills. - Excellent command of English, with the ability to write in an academic style....
I'm looking for a skilled video animator who can take a 3D CAD file and render it. We have a defined story. The animation should be in a realistic style, showcasing the product assembly. The final video should be delivered in 4K (2160p) resolution. Here is a reference Ideal skills and experience: - Proficiency in 3D animation software - Experience with CAD files - Ability to create realistic animations - Prior work on product assembly animations - Capability to deliver in 4K resolution
...English Test preparation courses. The site needs to contain three main menu sections: 1. About Us 2. Course Information 3. Sign Up One key feature of this site is a special offer prominently displayed: a free consultation class with one of our experts. In terms of functionality, the website needs to be built on a content management system (CMS), specifically WordPress, so that we can easily update course information and other sections as needed. Additionally, I require the following plugins and features integrated into the site: - SEO optimization: The site should be designed and configured to rank well on search engines - Contact form: A simple, user-friendly contact form for inquiries - E-commerce capabilities: This is crucial as we will be selling our courses ...
Here are the key points for freelancers in English: Pre-Launch 1. Define career goals and vision. 2. Identify skills and strengths. 3. Create a professional profile (CV, portfolio, photo). 4. Choose suitable freelancing platforms. 5. Set competitive rates. Project Management 1. Effective client communication. 2. Clear timelines ...Continuously develop skills. 4. Provide excellent customer service. 5. Seek feedback and reviews. Finance and Taxation 1. Manage finances efficiently. 2. Set competitive rates. 3. Understand tax obligations. 4. Separate business and personal accounts. 5. Use accounting tools (QuickBooks). Career Development 1. Regularly update portfolios. 2. Develop new skills. 3. Network with professionals. 4. Attend courses or training. 5. Establish marketing strateg...
We need a skilled professional with extensive experience in 5-axis CNC programming. The project involves working with a CAD model I provide to machine a part from metal intended for a medical device. We unexpectedly lost our programmer. We have 2 complex jobs for aluminum housings for handheld, powered, medical devices - drill/reamer/saw. These are organic shapes with tight tolerances down to bores at .0005" We are looking for temporary help and if the fit is right a permanent position. We are located in Fife WA. We are a contract manufacturer that specializes in Orthopedic surgical equipment and tools. We use Mastercam. We have models We are running on running the job on Matsura MX-520's I will provide models once we get through the introductions and technical requ...
I'm in need of a skilled professional with expertise in SolidWorks to assist with the design and modelling of mechanical parts. The primary goal of this project is to prepare these parts for a technical demonstration, so attention to detail and precision is crucial. Key Requirements: - Proficient in SolidWorks for 2D and 3D CAD design - Experience in designing mechanical parts - Ability to prepare designs for technical demonstrations - Strong attention to detail and precision
I'm looking for a skilled CAD professional who can help me with architectural plans for a store room. I will provide all necessary measurements, but will require a phone call for clarification of these measurements. The plans will need to detail: - Floor plans - Elevations - Sections Ideal candidates for this project will have: - Extensive CAD experience - A strong architectural background - Excellent communication skills for a clear understanding of project requirements during our phone call.
I need a skilled developer to build a simple monolithic web application using Python Flask. The purpose of this project is to create a large, easily accessible and updatable database, which will support a scenario involving containerization (not listed as task for you). Features: - Basic functionalities for students and teachers such as assignment submissions, courses, and schedules. - A straightforward and quick-to-build structure. Expectations: - You will solely focus on building the monolithic application. - Application should be developed on Python. - Use Flask as the front-end framework. - MySQL will be the database system. Ideal Skills: - Proficient in front-end development (HTML, CSS, JavaScript). - Strong back-end programming skills (Python). - Experienced in designing a...
I need a professional architect or building designer to create blueprints for a modern, eco-friendly residential building. The design should incorporate the following elements: - A home office - An open concept living area - Ample outdoor space The ideal candidate for this project will have considerable experience...eco-friendly residential building. The design should incorporate the following elements: - A home office - An open concept living area - Ample outdoor space The ideal candidate for this project will have considerable experience in designing modern residential buildings, a strong portfolio of eco-friendly designs, and a deep understanding of open concept layouts. Skills in 3D modeling software and CAD are a must, as well as an ability to create detailed and accurate b...
...requirement specification for the redesign of your Django-PostgreSQL-React website, incorporating the payment gateway for purchasing courses: Redesign Requirements: Modern Website with Integrated Application and improved Payment Gateway 1. User Interface and Experience • Modern Design: • Use a modern UI framework such as Material-UI, Chakra UI, or Tailwind CSS. • Responsive and mobile-first design. • Dark mode and light mode toggle for user preference. • Ease of Navigation: • Intuitive menu structure for courses, categories, and user profiles. • Search and filtering options for courses. • Dynamic Content: • Dynamic dashboards for users to track purchased courses and progress. 2. Frontend Framework &bul...
I have an iOS app source code ready and an Apple developer account set up. I'm looking for an expert who can help me to fix the errors I am experiencing when try...iOS app source code ready and an Apple developer account set up. I'm looking for an expert who can help me to fix the errors I am experiencing when trying to generate the app, and to publish it for me. Please note: - I do not need any additional features or changes to be implemented. The task is strictly to fix the errors and publish the app. - My budget for this job is between 45$ CAD and a maximum of 50$ CAD. Ideal skills and experience for the job include: - Proficiency in iOS app development and debugging. - Experience with app submission to the Apple Store. - Ability to troubleshoot and fix comp...
I have an autocad in pdf format with gps co-ordinates I want gps co-ordinates to mention in excel sheet