Refrigeration Careers. Fundamentals of Refrigeration. Basic Refrigeration Systems. Tools and Equipment. Refrigerants. Tubing and Gaskets. Compression Systems. Control Systems. Electrical Systems Used in Refrigeration. Motors. Servicing Electric Motors and Controls. Domestic Refrigerators and Freezers. Servicing Domestic Systems. Commercial Refrigeration Systems. Commercial System Applications. Installation and Service of Commercial Systems. Absorption Systems. Special Refrigeration Systems. Heat Loads and Piping in Commercial Installations. Appendix: Standards and Codes. Building Codes, NFPA, ASHRAE, EPA.