From the perspective of safety management, it can prevent the occurrence of mechanical injury accidents, prevent unsafe behaviors of people and eliminate the unsafe state of mobile machinery.

Mechanical damage mainly refers to the damage caused by direct contact between mechanical equipment, moving parts and tool parts and human body, such as hitting, colliding, shearing, winding, twisting, grinding, cutting and stabbing. Exposed transmission parts and reciprocating parts of various rotating machinery may cause mechanical damage to human body.