Trade/General Tools and Measuring Instrument, Fundamentals, Refrigeration System, Pressure-Temperature, Relation Superheat and Sub cooling, Compressor, Condenser, Cooling Tower, Liquid Receiver, Refrigerant Control Valve, Evaporator, Control and Pressure Safety, Refrigerants, Air-Conditioning, Lubricants, Refrigeration and Air-Conditioning, Electrical and Electronic, Appendix, Basic Science and Calculation, Engineering Drawing, English, Drawing