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