History of Knife

	Revision 4 . . December 14, 2001 12:47 am by Anders Torlind [Some expansion]
	Revision 3 . . December 13, 2001 11:58 pm by (logged).237.150.xxx
	Revision 2 . . December 13, 2001 11:57 pm by (logged).237.150.xxx
	Revision 1 . . December 13, 2001 10:03 am by Wrongchild

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Difference (from prior major revision) (no other diffs)

Changed: 1c1

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

A knife is a sharp object used for cutting things. It is based on the simple machine concept of a wedge. The most common design for a knife is that of a sharp metal blade? attached to a handle by means of a tang?. Knifes have been used as weapons and tools since the stone age, and various developments include the sword and the machete.

Added: 3a4,5

Knifes designed for specific purposes exist in large numbers. Some examples include butchering?, hunting?, curing?, fishing?, woodcarving?, cooking and combat?.