The Structure Maintainer Trainee, Group E (Plumbing) Passbook(R) prepares you for your test by allowing you to take practice exams in the subjects you need to study. It provides hundreds of questions and answers in the areas that will likely be covered on your upcoming exam, including but not limited to: fundamentals of the plumbing trade, including the proper selection, use and care of tools, materials and equipment used in plumbing work; reading and understanding technical drawings; performing job-related arithmetic; safe work practices, including basic first-aid procedures; and more.