Prototypes can be made using cardboard, waste softwood, recycled wood, glue, tape and wires. These materials are inexpensive, easy to cut and suitable for creating trial models before the final product. Class 8 Vocational Education Textbook Work with Machines and Materials ...
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NCERT Class 8 Vocational Education Solutions for Session 2025-26. Get here Question answers and revision.
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Glue can be applied between two pieces of cardboard or wood to stick them together, replacing nails. It is useful in prototypes where strength is not required but parts need joining. Class 8 Vocational Education Kaushal Bodh Project 3 Working with ...
Steps include: 1. Sketching the design. 2. Collecting materials like cardboard. 3. Marking measurements. 4. Cutting as per design. 5. Assembling with glue or tape. 6. Reviewing and checking the model. Class 8 Vocational Education Textbook Work with Machines and Materials ...
Making a prototype is useful because it reduces errors, saves cost and allows testing of the design before making the final product. It ensures the object is practical and well-planned. Class 8 Vocational Education Textbook Work with Machines and Materials Chapter ...
A prototype is the first model of a product, made from materials like cardboard or waste wood. It checks whether the design works before making the final object from proper wood. Class 8 Vocational Education Chapter 3 Working with Wood and ...