close-up of a screwdriver, tightens the fastening screws for laying polypropylene pipes

assembly background building clamp close closeup conduit construction cordless domestic equipment fasten fastening fitting fix fixing hands home industrial industry installation installing laying mount pipe pipeline pipes plastic plumber plumbing polybutylene polypropylene pvc repair screw screwdriver screws service setting steel supply tightens tool tools turnscrew wall water waterlines work worker