Piping in plumbing refers to the materials used between fixtures and valves as well as components on fixtures. In residential plumbing, it is usually made from PVC or copper material. Piping can be exposed or concealed depending on available space. The piping system is an integral part of your home's water distribution system. It consists of pipes, valves, and joints. These are all installed below ground and above as part of the rough-in plumbing system. How piping is used in plumbing? Piping is used to transport water from fixtures to a main drain or sewer for disposal. In civil engineering, a piping system refers to a system of connected pipes which allow the transport of fluids (liquids or gases) from one place to another. In modern engineering practice, piping systems are used in many areas including residences, industrial facilities, and commercial complexes. Plumbing is the art and science of installing and maintaining systems that provide potable water and remove wastewater from buildings and their premises. Plumbing fixtures include sinks, baths, toilets, and many others. Plumbing system design is one of the most important elements in a building's infrastructure which must be considered during the planning stages of construction as well as during subsequent operations and maintenance. Plumbers are rigorously trained to handle some jobs that other trades cannot do like working underground and handling hazardous materials such as asbestos or lead-based parts. Piping systems are used in a wide variety of applications, including Construction in the building design industry, piping systems are typically required in order for workers to have access to certain areas or zones. Pipes are also needed for utility purposes like delivering electricity and liquid petroleum products or moving sewage or water from one point to another.in other words, we can say that piping is backbone of plumbing.