The word "plumber" dates from the Roman Empire.
It also happens that in the old blocks, there is one department of water and after several years of use of the building administrator decides to perform the second division of water, and by the way checks the patency of the sewage system.
Carrying out such work is indeed a nuisance for the residents of the block, but it greatly increases the standard of their daily lives.After their performance will be able to eg.
To connect an additional bathroom faucet.Sometimes the desire to connect new devices to the network plumbing associated with the need to perform some plumbing work.
Plumbing equipment includes devices often hidden behind walls or in utility spaces which are not seen by the general public.It includes water meters, pumps, expansion tanks, backflow preventers, water filters, UV sterilization lights, water softeners, water heaters, heat exchangers, gauges, and control systems. Specialized plumbing tools include pipe wrenches, flaring pliers, pipe vise, pipe bending machine, pipe cutter, dies and joining tools such as soldering torches and crimp tools. New tools have been developed to help plumbers fix problems more efficiently. For example, plumbers use video cameras for inspections of hidden leaks or problems, they use hydro jets, and high pressure hydraulic pumps connected to steel cables for trench-less sewer line replacement. Flooding from excessive rain or clogged sewers may require specialized equipment, such as a heavy duty pumper truck designed to vacuum raw sewage. Źródło: https://en.wikipedia.org/wiki/Plumbing#Equipment_and_tools.