A man worker tighten the nut. Wrench tighten the nut
The worker's arm tighten the nut. Wrench tighten the nut
Car service. A mechanic man tighten down the battery nuts
Man in fabric gloves tightening nuts on bolts with universal wrench. Worker gripping nuts on screws by universal socket wrench. Work in assemble workshop
Industrial concept. Construction plant. A man worker tighten the nuts on a lathe
Workers clamp bolt on both sides of industrial unit with wrench and screwdriver with nozzle. Mechanic working with pneumatic gun to tighten nut on vehicle. Men work with screwdriver during assemble
Unrecognizable mechanic at factory using allen wrench to tighten hexagonal bolts on metal equipment
Closeup of unrecognizable mechanic using wrenches to tighten bolts on machinery equipment at industrial factory
Man to tighten the screws with a wrench
Engineer or operator wearing a safety suit maintaining machine in the industrial factory, service technicain worker operating tighten the nut repair machinery at metal sheet factory
Engineer or operator wearing a safety suit maintaining machine in the industrial factory, service technicain worker operating tighten the nut repair machinery at metal sheet factory
Human hands tighten nut with adjustable wrench with nozzle. Worker tightening nut on industrial unit with universal wrench. Process of manual assembly of industrial unit