A plumber is a tradesperson who specializes in installing and maintaining systems used for potable (drinking) water, sewage and drainage in plumbing systems.
Źródło: https://en.wikipedia.org/wiki/Plumber
It will be able not only to assume, but also seal the counter in such a way that the reading will be error.
This will allow precise determination of the amount of water used in the household and issuing the appropriate invoices, that will not in any way overpriced.At the same time plumber will be able to advise the owners of the visited household, how they can reduce the costs associated with the amount of water consumed.
Besides a good plumber can recommend the purchase of such sanitary facilities that allow you to save water.
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.Źródło: https://en.wikipedia.org/wiki/Plumbing#Equipment_and_tools