man attaching crane hook to a gas tank and signalling with his fingers to lift it up at a cargo ship in the harbour

worker hoist shipbuilding hoisting shipbuilder cargo job shipyard hoisted chain construction gas hooking working crane workman harbor attaching lift ship cables work signalling teamworks spinning workday lifting checking signal coworker railings man railing hook teamwork male derrick attach check masculine tank harbored overall hat finger manley team beany bearded