Body harness is one type of safety equipment that is used as a rope on the body, so that when the mechanic falls, it will depend on the body harness that is tied to the heavy equipment. The important thing that must be considered mechanics when using a body harness is a place to attach the body harness, usually the body harness uses a carabiner, aka a hook with a lock. This carabiner is attached to the top of the machine that is possible. However, not all locations can be installed carabiners. Which must be considered, the installation of this carabiner must be able to withstand the mechanical body weight when falling.