Purification steps 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.
Word plumber - history
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 repairs in large buildings
In large buildings, such institutions can be complicated network connections plumbing. Therefore, their installation must be preceded by a good performance plan plumbing work, which will be gradually carried out. Thanks to all sanitary facilities installed in the toilets will be able to function efficiently for many years. Sometimes, however, even the best-made network plumbing may occur some failures, which will have to be repaired by the right team of people. Performing this type of repair is sometimes associated with the exception of the use of part of the existing toilets in the building, because after the end of the inspection will be carried out, after which will be allowed to re-use.