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 an educational goal for many students who want to improve their visibility among aggressive job applicants. Certificates may help provide students with increased skills and experience in a number of diverse disciplines, such as business, finance, hospitality, leadership, and management.