Common problems include rusting, loose parts, stiff wheels and flat tyres. Rust can be removed with sandpaper, loose parts tightened with tools, stiff wheels oiled and tyres properly inflated to ensure smooth functioning.
Class 6 NCERT Vocational Education Kaushal Bodh Project 3 Maker Skills solutions
Class 6 Vocational Education Kaushal Bodh Textbook chapter 3 Project 3 Maker Skills question answer