What does a plumber use?

Brass ,copper, lead , solder ,silver, welding rods. snakes, augers, water jetters, Rulers, levels, vans, trucks , back hoes , threading machines, vises, Oxyacetylene, helpers, chalk lines, putty, epoxy , solvent , ball pein hammers, crows foot, crow bars, pry bars, hammers and screw drivers , compound wrenches, calculators, various code books, galvanized steel ,galvanized wrought, PVC, CPVC, ABS, PEX and a host of other piping systems like CI / NHCI ,Duriron, Pyrex.