Hoist cranes are commonly used as a tool to lift or move something heavy and are used indoors, in a vertical alias vertical position. For the layman, to move heavy goods using a crane, and generally a large crane, so it is not possible to use in a closed room. Meanwhile, perhaps you also need to check out the breeze eastern hoist as well.
Well the definition of the crane itself is actually a system designed and built to support the operational and mobility of the hoist. Actually, it means they can not be separated.
Hoist itself is divided into two working systems, namely manual hoist, and electric hoist. The manual hoist can be operated without power, run according to mechanical working principles or pulleys. Physical manual hoist tool is not heavier than electric hoist. While electric hoist operated with electrical energy, without hoist cannot be operated.
In general, according to the principle of mechanical work, the host is divided by using chain or chain hoist and rope or wire rope hoist. Both hoists are practically minimal maintenance, at least 1-2 times a year. Treatment includes the ability to lift the load, chain or alternate chain, whether still feasible or need replacement.