The bridge rail is where the trolley travels and is supported by the bridge girder.

A bumper is an energy-absorbing device that is mounted on either the end truck or the trolley to reduce the impact when the truck or trolley comes into contact with its end stop or another truck or tr [..]

Longitudinal stiffeners are the horizontal members attached to the web of the bridge girder; they are used to prevent web buckling.

Abnormal operating conditions are environmental conditions, which are potentially harmful or detrimental to the operation of a crane. Examples include: Excessively high or low ambient temperatures, ex [..]

A method of bridge crane control that allows the motor supply voltage to be adjusted.

Alu-tracks are crane bridges and/or runways made from maintenance-free, non-corroding, spark-resistant, aluminum enclosed track.

Ambient temperature is a term that refers to the temperature of the atmosphere surrounding (and directly impacting) the hoist and crane. Ambient temperature is influenced by a number of factors, inclu [..]

Ampacity is defined as the maximum amount of electrical current a conductor or device can carry (expressed in amperes).

Anchor bolts are used to attach objects or structures to concrete.

The American National Standards Institute.