Absorb oil
Absorb heat
Absorb refrigerant
Absorb moisture
The friction between refrigerant and tube
The friction between refrigerant and oil
The friction between piston and cylinder
The friction between belt and pulley
Silica gel
Ammonia
Sulphur dioxide
Calcium chloride
Super heat at suction line point
Evaporator pressure at its inlet
Enthalpy at the evaporator outlet
Entropy at the condenser outlet
Hot water defrosting
Manual defrosting
Hot gas defrosting
Electric defrosting