Plumbing is a necessary part of every building project. It has been part of human civilization since ancient times. It has come a long way since then, and plumbing has become an industry in its own right. Its work protects people from disease and improves hygiene and comfort in the home. It has also become a major source of employment.

Plumbing consists of pipes and fixtures that transport and distribute water. It also deals with the removal of waterborne waste. A plumbing system consists of three main parts: a water supply system, a drainage system, and fixtures. The plumbing system is made up of many individual parts that must work together to make a comfortable space for humans.

Plumbing systems can vary in size, shape, and cost. The most important factors to consider when choosing pipes are function and the layout of the space. For example, if you need to install a sink in a small space, you should consider pipes that are flexible and easy to install. Other factors to consider are cost, as more expensive pipes will usually last longer. You should also know local building codes.

Plumbing contractors should have a license from the state in which they operate. The contractor should also have certification from the Division of Labor. Plumbers must also possess mechanical and people skills, as well as have a good understanding of plumbing systems.