bulldozer, excavator and dump truck operation

and asphalt asphalting asphaltspreader barrier bitumen bituminous bucket building car construction distributor dump dumper engineering equipment finisher grading gravel highway job lorry machine maintenance man moving muckshifting operator paver paving placer power powershovel rink road roadbuilding roadmaking roadway roadwork roadworker roller separation shovel steam surfacing tip tipper tipping trench tripping truck truckskating work works