Fuse metal together by directing huge amounts of energy into small areas.
Raises and lowers deck of landing bridge to make bridge level with deck of ferryboat, and collects or punches tickets of passengers at ferryboat terminal: Starts windlass to adjust level of landing bridge for vehicles and pedestrians to board ferryboat, or tosses gangplank pull-ropes to workers who secure gangplank to deck of ferryboat. Inspects security of gangplank fastenings to dock. Opens doors or gates to admit passengers aboard ferryboat, and collects tickets or punches commuter tickets as pedestrians and vehicles go aboard. Closes doors and gates upon whistled signal from ferryboat, pulls gangplank back onto dock, and starts windlass to unhook ferryboat from landing bridge. Provides passengers information about ferryboat schedules. May move stalled or driverless vehicles and freight-loaded wagons on and off ferries, using industrial truck.