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The Steam Fitter'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: basic principles of heating, air conditioning and refrigeration systems; work-related arithmetic; knowledge of pipes, fittings and fixtures; tools and equipment; workplace safety; and more.

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