A normal workday for a plumber is between 8-10 hours of work time. Typically, a workweek is about 4-5 days. The workweek of a plumber is flexible because oftentimes you can choose to work four ten-hour days, leaving you with three days off a week!

The major categories of plumbing systems or subsystems are: potable cold and hot tap water supply. plumbing drainage venting. sewage systems and septic systems with or without hot water heat recycling and graywater recovery and treatment systems.

plumbing, System of pipes and fixtures installed in a building for the distribution of potable water and the removal of waterborne wastes. Plumbing is usually distinguished from water and sewage systems, which serve a group of buildings or a city.

plumbing, system of pipes and fixtures installed in a building for the distribution and use of potable (drinkable) water and the removal of waterborne wastes. It is usually distinguished from water and sewage systems that serve a group of buildings or a city.