Only now available in one convenient place, this guide provides charts, graphics, formulas, and definitions used daily. Compiled from many sources, it is conven

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Specially designed for in-the-field use, this comprehensive yet compact book will pay for itself over and over in the time you save looking for chemical and mat

This updated study guide follows the new requirements established by the ABC. It is organized by certification levels I, II, III, and IV. Questions are ranked f