  1. A knife is most useful for cutting. The blade is made of steel; the handle of ivory, bone, or wood. 2. The blade and handle are fastened together by a long, thin piece of iron which goes into the handle. The blades have to be heated as needles are, to make them hard. 3. A knife is blunt on one edge; sharp on the other. The grinder sharpens it on a huge stone which goes round and round. The blades are polished before being put into the handles, as well as after. 4. There are many kinds of knives. Pocket-knives have a spring to make them shut tightly. A table-knife is rounded at the end; the carving-knife has a sharp pointed blade. Write and learn:
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