Common notion was.

18 WATER CHILLER 19 LIQUID COOLING GARMENT HEAT EXCHANGER FREON LOOP FUEL CELLS AFT COLOPLATES GROUND SUPPORT EQUIPMENT HEAT EXCHANGER 12 AVIONICS HEAT EXCHANGERS AND FANS 14 WATER PUMPS 15 CONOENSER 16 WATER SEPARATORS 17 CABIN FANS LITHIUM HYDROXIDE 18 WATER CHILLER.