History of a word - plumber
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.
Hydraulic failures caused by the poor state of water supply and sewage
Part of the failure occurring in the water and sewage network is due to its poor condition. This can happen especially when possessed by our network of plumbing has existed for several years, and we always try to connect to the new device. Sometimes enough to perform parts replacement connections plumbing, so she began again to function efficiently. Such actions may be supported by the cleansing of old sewer pipes that have become partially obstructed by embedding them over the years a variety of dirt and papers. The tasks of the plumber will be one choice of effective methods of sewer cleaning, followed by thorough execution of all works.
rental of special equipment needed to clean the manhole
Effective cleaning manhole is carried out in several stages. First plumber introduces chemicals for sanitation, which gradually move into the sewer with the help of the equipment used by him until reach wells. Sometimes achieving an effective cleaning manhole may be made only by using special devices that are equipped plumbers or loaned from other companies. Their use makes it made cleaning is very accurate, and the selection of specific devices depends on the chosen method of cleaning drains. Before and after completing all the works will be carried their valuation and on this basis, invoiced at the hands of the customer.