A plumber is a person who specializes in the installation and maintenance of those used for drinking water systems (taking), sewage, drainage, ventilation, heating and air conditioning, or pipe plant process industrial. In most jurisdictions the piping for the HVAC, fire protection and industrial systems are installed by steam-fitters , fitters the gas-pipe-fitters or Plumber.
Many in these businesses are members of organized labor groups, while many are nonunion. Years of training and experience are required to become a skilled plumber; Most jurisdictions also require plumbers to be licensed. A plumber teacher is one who demonstrates expertise in the business of plumbing, has worked in the field for many years, is certified in various areas of plumbing, typically trains new plumbers in business, and oversees large plumbing projects.
Plumbing codes are strict, and the need for plumbing work quality is high due to the historical problems of health and safety associated with declining water supply and sewage removal. Plumbers install and repair pipes, fittings and other plumbing equipment used for water distribution, wastewater disposal and vents in residential, commercial, institutional, and industrial buildings.
The plumbing is a traditional generally well-paying field has good job security, and now has the need for qualified in many locations around the world individuals. Many plumbers begin their careers in plumbing as helpers of plumbers established, while others enter formal training institutes. The word plumber dates back to the Roman Empire. In Roman times, the pipes were made of lead, or plumbum in Latin (why in the periodic table is the symbol Pb for lead).
So, they knew a person with expertise in working with pipes as Plumber pump, which was eventually shortened to plumber (plumber).