Some Information about Plumbing and Plumbing tools
A plumber is a tradesman who specialises in installing and maintaining systems used for plumbing, heating, drainage, potable (drinking) water or industrial process plant piping. (In most jurisdictions the piping for heating systems are installed by steam-fitters, pipefitters or gas-fitters.)
Some Plumbing DOs and DON'Ts
DO - Run very hot water into your kitchen sink drain either by
boiling water on stove or from your faucet, then fill one side
of your sink and plunge.
DO - When plunging your sink, plug up one side with a cloth and
hold.
DO - When using your garbage disposal, run hot and cold water at
full pressure.
DO - Fill up sink after using your disposal and drain.
DO - If you have a dishwasher, use after using your garbage
disposal.