worker wearing a glove using rattled gun tensioning nut attached onto the structure metal wal

access air arrest attached australia australian auto background boiler bolts building change closeup construction equipment fasten fitters glove gloves gun hand hanging harness impact industrial industry interior isolated job maintenance male mechanic mechanical metal mine miner nut onto perth pneumatic power protection rattle rattled repair rope safety screw service site structure tensioning tire tool tools using vehicle wall wearing wheel white work wrench