1) Work station crane
An overhead crane generally used for ergonomic purposes and consisting of bridge(s) and runways made from enclosed metal track. End trucks attached to the bridge girder allow for ease of movement. The entire system is designed to allow workers to move loads by hand pushing the load with the assistance of a vertical lifting device such as a hoist or vacuum lifter.
2) Vacuum lifter
A lifting device utilizing the creation of vacuum to attach itself to an object via the use of an electric-powered extraction pump and sealed pads.
Generally suspended from a hoist/crane, manipulator, balancer, or positioner. Often attaches to the lifting mechanism by means of a bail and hook arrangement or is an integral part of the positioning and lifting mechanism.