bed big cab carry construction dump equipment haul heavy heavy-duty load truck vehicle white work construction machinery construction people construction site crane crew heavy duty heavy objects HSE lifting machines mobile crane operating people at work safety safety precaution supervising working appearance confined display displayed energy historical history machinery mobility power powerful rails railway railway-yard restoration restoration-yard rust rusty strength trains transportation wheels chains cold Denmark metal gears marshalling-yard motion move moving repair repair-work repairs engines locomotives restored steam-engines steam-locomotives steam-trains