plumbing linen is used when connecting couplings and fittings in plumbing. close-up

background building caulk close-up closeup connecting connection construction couplings engineering fiber fittings flax flaxen gasket gasketing goods hank hemp joint linen material natural packing pipeline pipes plumber plumbing product repair resource sanitary sanitaryware screw sealant sealing thread threaded tow unused used ware water waterproof white yarn