Worker twisting nuts on metal bolts. Worker tightening screws on metal bolts with hand. Worker of manual assembly workshop fixing metal components to industrial unit
Man in fabric gloves tightening nuts on bolts with universal wrench. Worker gripping nuts on screws by universal socket wrench. Work in assemble workshop
Machine twisting nails. Media. Close-up of automated machine twisting nails. Production machine that nails and bolts on boards
Machine twisting nails. Media. Close-up of automated machine twisting nails. Production machine that nails and bolts on boards
CU: Skilled woman worker screws bolts into metal accessory for leather bag with blue screwdriver in workshop close view
Strengthening bolts of electric saw
Placing bolts inside wooden holes
close up tool for roof repair. A screwdriver for tightening bolts and nuts lies on the roof. Installation of mounts for solar panels
Auto mechanic is installing bolts into metal car clutch. Close up repairman inserting bolts into round car detail.
close up shot of the carpenter's hand, who screws the bolts into a wooden board to create furniture, a man holds an electric screwdriver, with which he works
Close-up of carpentry equipment on table. Hands picking up tools for woodworking. Craft, handwork, joinery.