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เนื้อหาย่อ : Never before has so much practical information on the basics, operation, ind maintenance of refrigeration and air conditioning equipment been crammed between two covers of one book. In addition, the subject mat ter of this third edition is completely reorganized, with subheads, handy troubleshooting charts and a cross index for quickly finding the needed information Today, the second edition is published by six publishers in scveral languages in the United States, India, Brazil, the Philippine Islands, and Taiwan because of the easy-to-understand presentation and clear lan- guage. As a result, it has helped thousands aro ound the world to qualify for higher-paying jobs and has led to more effcient operation of their equipment. Now this third edition has 252 illustrations, tables, and charts, and over 100 new pages of the most sophisticated equipment manufactured today in the United States, Europe, and Japan. The feld of refrigesation, air conditioning, and cryogenics is expanding rapidly. Almost every type of plant and building erected today-as well as the better dome estic hom lomes has st s such equipment, inside and outside. This book, and other books in the Stand dard series library, contains a comprehensive sampling of what the reader should know about up-to- umerous letters date equipment and safety. This library is the result of num written to me as a Power editor since 1947, asking for information in one convenient source. This third edition should be helpful to: 1. Plant and building operators and other practical people who want to pass examinations in refrigeration and air conditioning and improve their basic knowledge. 2. Industrial and other firms with a training program for updating employees.