Question

⊕Explain how, the iron blade of a spade is fixed to a wooden helmet⊕

Answer 1

Iron blade of tools has a ring in which the wooden handle is fixed. Normally the ring is slightly smaller in size than wooden handle. To fix handle ring is heated and it expands. Now handle easily fits into the ring.

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Answer 2

Explanation:

Iron blade of tools has a ring in which the wooden handle is fixed. Normally the ring is slightly smaller in size than wooden handle. To fix handle ring is heated and it expands.When ring cools down it contracts and fits into handle.