Assertion: chlorofluorocarbon | /r/CapableOf | dominate in heat pumps
Facets:
value: since the 1950s
type: TEMPORAL
Source sentences:
text: Chlorofluorocarbons (CFCs) and later hydrochlorofluorocarbons (HCFCs) dominated in the second generation of cooling agents, especially since the 1950s, in domestic and industrial air conditioners and heat pumps.