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Single girder 12.5 ton overhead bridge crane for lifting rebar is consisting of the beam, electric hoist, long travelling mechanism, cabin or hand controller, and electrical control system. The electric hoist can move horizontally on the rail fitted under a beam.
link:https://www.kinocranes.sg/overhead-crane/12-5-ton-overhead-crane.html
12.5 Ton Overhead Crane | Kenancranes