Antagonistic pairs of muscles are muscle where one move the bone in one direction and the other moves it back the other way in transmission of nerve impulses to the muscles.
Demag, which manufactures and distributes telescopic and lattice boom cranes, is one of the leading mobile crane producers worldwide, with 2001 revenues of approximately $360 million.
Comments Off on Greeks Invented the First Crane A crane is a mechanical object that is designed to lift heavy objects. Modern cranes have ropes, a winder, and sheaves.