explain how the iron blade of a spade is fixed to a wooden handle
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The iron blade of soil digging tools has a ring in which the wooden handle is fixed. Normally, the ring is slightly smaller in size than the wooden handle. To fix the handle, the ring is heated and it becomes slightly larger in size (expands). ... When the ring cools down, it contracts and fits tightly on to the handle.
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1
Answer:
The iron blade of soil digging tools has a ring in which the wooden handle is fixed. Normally, the ring is slightly smaller in size than the wooden handle. To fix the handle, the ring is heated and it becomes slightly larger in size (expands). ... When the ring cools down, it contracts and fits tightly on to the handle.
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