A crane is a mechanism which is commonly used to elevate goods or materials, and is therefore referred to as a lifting mechanism usually equipped with chains or wire ropes, a winder (also called a wire rope drum), and sheaves. A crane is used to carry materials both vertically and horizontally. One or more simple machines are utilized by the crane for creating mechanical advantage and thus, loads which are over the individual capacity or capability will be moved without any problem.
pneumatic
