The Building Equipment Mechanic (U.S.P.S.) Passbook® 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: basic math knowledge; word meaning; understanding and interpreting written material; identification and proper use of tools; electronics; electricity; abstract reasoning; safety; mechanical comprehension; and other related areas.