Question

Explain how a metal rim is fixed around the wooden wheel of a cart

Answer 1

This rim is then heated and the rim expands. This rim is now put around the wooden wheel. After that some water is poured over it to cool down the iron. After cooling down, iron rim shrinks and fixes around the wooden wheel.

Answer 2

This rim is then heated and the rim expands. This rim is now put around the wooden wheel. After that some water is poured over it to cool down the iron. After cooling down, iron rim shrinks and fixes around the wooden wheel.