Descriptoin: A plumber is a person whose job is to connect and repair things such as water and drainage pipes, baths, and toilets. Plumbers install and repair water supply lines, waste disposal systems, and related appliances and fixtures to keep homes and businesses flowing smoothly. Being a plumber is physically demanding. Plumbers must be able to perform the following tasks: Install pipes and plumbing fixtures. Visually inspect equipment and operate test equipment such as pressure and vacuum gauges to determine the cause and location of trouble. Clear obstructions from sink drains and toilets.