This new edition undergraduate introductory textbook follows the motto of the previous versions: "Solid information, easy-to-read, easy to understand, easy to apply." The aim remains the same: "Human engineering" workplaces, tools, machinery, computers, lighting, shiftwork, work demands, the environment, officers, vehicles, the home ¿ and everything else that we can design to fit the human. The new edition is up-to-date in content and language, in data and illustrations. Like previous versions, this book is for students and professionals in engineering, design, architecture, safety and management and to everybody else who wants to make work safe, efficient, satisfying, and even enjoyable.