Answer: coolants

AnswerCrossword Clue
COOLANTSRadiator additives
COOLANTSNuclear reactor needs
COOLANTSEngine circulators
COOLANTSFillers of radiators
COOLANTSHeat-removing substances
COOLANTSFreon and antifreeze
COOLANTSRadiator fluids
COOLANTSFreon et al.
coolantsCOOLANT, a fluid used to cool engines
coolantsA liquid or gas that is used to remove heat from something