KTE-201 : Practical skill for constructing and operating of a basic refrigeration system
                   (Air-conitioner, Refrigeration and Freezing).
KTE-202 : Practical skill for constructing and operating of a defrosting refrigeration system.
KTE-203 : Practical skill for constructing and operating of a refrigeration system parallel controlled basic on
                    evaporation pressure regulator (EPR).
KTE-204 : Practical skill for constructing and operating of an ice-making refrigeration system (Brine).
KTE-205 : Practical skill for constructing and operating of a heat-pump refrigeration system.
KTE-206 : Practical skill for constructing and operating of a binary refrigeration system.