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How the iron blade is fixed into a wooden handle in tools used to dig the soil?
The ring in the spade's iron blade is heated first. The blade as it heats up, the size of the ring. This occurs because . The metal blade is then inserted into the wooden handle easily. After that, cold water is usually put on the iron blade, causing the . The spade can also be let to cool down undisturbed to fix it firmly. (vu) In this technique, the blade is firmly attached to the wooden handle of a spade.
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