Question

Q1::::::::-:Why is ring of iron blade heated before fixing it into handle of a tool..........?

Answer 1

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Ring of iron blade heated before fixing it into handle of a tool because on heating ring becomes slightly larger in size, therefore it expand and handle fits easily into it.

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Answer 2

Ring of iron blade heated before fixing it into handle of a tool because on heating ring becomes slightly larger in size, therefore it expand and handle fits easily into it.