Plumbing courses teach students how to install, maintain and repair commercial and residential systems. Classes may include learning the use of tools, safety protocols and drafting drainage layouts. Students should learn the benefits of different materials for pipes and fixtures as well.

A certificate is proof of qualification of a certain set of skills. Students who obtain a certificate have completed educational requirements and tests. Through completion, they become ready to pursue a degree or diploma, or to head into the professional world in their field of expertise.