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Knife

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This is an old revision of this page, as edited by 194.237.150.xxx (talk) at 15:57, 13 December 2001. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

A knife is a sharp object used for cutting things. It is based on the simple machine concept of a wedge.


Knives were among the first tools used by man in pre-historic times.


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