Complete Guide to Plumbing : plumbing fixtures, plumbing installations, plumbing repairs, plumbing tools, materials and skills, plumbing tools, plumbing materials, working with rigid plastic pipe, working with outdoor flexible plastic pipe, working with galvanized iron, pipe fittings, gas pipe and fittings, repairing valves and hose bibs, using compression fittings, installing shutoff valves, working with cross-linked ply ethylene.