an electric power supply unit configured to stop supplying electric power to at least the cooling unit when or after {HEAD ~ the cooling unit} completes {TAIL ~ the cooling process}; and 
completes
an electric power supply unit configured to stop supplying electric power to at least the cooling unit when or after { HEAD ~ the cooling unit } completes { TAIL ~ the cooling process } ; and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH