A plumber is a tradesperson who specializes in installing and maintaining systems used for potable (drinking) water, sewage and drainage in plumbing systems.
The term dates from ancient times, and is related to the Latin word for lead, "plumbum".The word "plumber" dates from the Roman Empire.3 The Latin for lead is plumbum. Roman roofs used lead in conduits and drain pipes4 and some were also covered with lead, lead was also used for piping and for making baths.5 In medieval times anyone who worked with lead was referred to as a plumber as can be seen from an extract of workmen fixing a roof in Westminster Palace and were referred to as plumbers "To Gilbert de Westminster, plumber, working about the roof of the pantry of the little hall, covering it with lead, and about various defects in the roof of the little hall".6 Thus a person with expertise in working with lead was first known as a Plumbarius which was later shortened to plumber.
Sometimes the bathroom taps are placed on the photocell which makes the plumber must be performed at the time of their work to use various equipments.The sales are also various types of baths, which the installation may be more or less problematic.
While carrying out efficient assembly of the shower may require the presence of two employees of the hydraulic system.
But keep in mind that employees emergency hydraulic refuse to come to such repairs, which need not be performed immediately..