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CBSE Class 6 Answered

Why is the iron blade in soil digging tools heated to fix to a wooden handle?
Asked by Topperlearning User | 25 Apr, 2014, 08:34: AM
Expert 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). Therefore, the handle easily fits into the ring. When the ring cools down, it contracts and fits tightly on to the handle.

Answered by | 25 Apr, 2014, 10:34: AM
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