When the refrigerator 9 is operated, {TAIL ~ the cooling water} 2 is cooled by latent heat of vaporization of {HEAD ~ a coolant} flowing inside the evaporator 10 
When the refrigerator 9 is operated , { TAIL ~ the cooling water } 2 is cooled by latent heat of vaporization of { HEAD ~ a coolant } flowing inside the evaporator 10
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH