[[Image:Knives.jpg|thumb|right|200px|Several types of kitchen knives]]
[[Image:Knives.jpg|thumb|right|200px|Several types of kitchen knives]]
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A '''knife''' consists of a sharpened blade attached to a handle that can be used either as a tool or a weapon. The blade of a knife can be made from many different types of materials such as [[metal]], [[plastic]], [[stone]], [[bone]], [[wood]], or [[ceramic]].
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A '''knife''' is a piece of [[cutlery]] which has a sharpened blade attached to a handle. Knives can be used either as tools or a weapons. The blade of a knife can be made from many different types of materials such as [[metal]], [[plastic]], [[stone]], [[bone]], [[wood]], and [[ceramic]].