Principal of Refrigeration and Electrical Controlling Devices.
Type of Compressor and Compressor Repairing Reciprocating and Rotary
Type of Refrigerant, Oil and Lubrication and Type of Condenser, Oil Separator
Type of Receiver, Filter, Refrigerant Control Devices
Air-Conditioning System and Type of Air-Conditioning System Window and Split A.C., Repairing and Wiring of all Domestic A.C. System
ICE Candy Plant, ICE Plant
Commercial A.C. System, Cold Storage Plant
Introduction of H.V.A.C. and Type of H.V.A.C.
Pipe and Duct Insulation Instruction
Package A.C. and Commercial Chilling Air-Conditioner Plant
Use of Controlling Devices in Chiller Plant
