Trolley has become an absolute necessity in the smooth work of man. Prior to the trolley, the system of appointment and transfer of goods from one place to another is very bad. For lifting very heavy, humans do or menjijing carrying such goods to be put into place desired.
Trolley is still including the removal of a barrage system manually, it is because the trolley is fully actuated manually by human hands (not a machine). Material Preparation Trolley itself is very diverse, some of which are made of wood, iron, up to stainless steel (stainless steel).