Repair and maintain plumbing Replace washers in leaky faucets, mend burst pipes, and open clogged drains using specialized equipment (jetter) Assemble and install valves, pipe fittings, and pipe composed of metal, pvc, fiberglass and vitrified clay Join pipe by use of bolted flanges, fittings, solder, plastic solvent, and caulk joints May bend pipe to required angle using