Overhead travelling cranes are the mainly used for handling the equipments within a work area or work site. Double girder crane is used for safely moving materials from a certain point to the other by using a hoist that gets attached to the hoist trolley and that can move horizontally on a pair of rails or on a rail that is fitted under a beam. The overhead crane is also known as suspended crane and has got the ends of the beam that supports it resting on wheels that runs on rails at higher levels.

Overhead travelling cranes are the mainly used for handling the equipments within a work area or work site. Double girder crane is used for safely moving materials from a certain point to the other by using a hoist that gets attached to the hoist trolley and that can move horizontally on a pair of rails or on a rail that is fitted under a beam. The overhead crane is also known as suspended crane and has got the ends of the beam that supports it resting on wheels that runs on rails at higher levels.