Plumber's Helper (C-592): Passbooks Study Guidevolume 592Paperback, 1 November 2018

The Plumber's Helper 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: plumbing terminology; plumbing, heating and ventilation; reading comprehension; trade-related math; and more.