When you first hear the term link or lifting your first thought is probably more than one crane. Probably for the reason that we often see them lifting heavy objects on construction sites or unloading of containers at the port, these are generally very large cranes, but there are different types of valves in different sizes, in the vicinity, let to consider this.
The other popular form of larger hoist the jib cranes products, also known as a swing jib. A jib crane is a fixed structure for lifting and moving heavy loads in a certain area.