Assertion: household refrigerator | /r/CapableOf | gain wider acceptance
Facets:
value: in the 1930s
type: TEMPORAL
value: in the united states
type: LOCATION
Source sentences:
text: Practical household refrigerators were introduced in 1915 and gained wider acceptance in the United States in the 1930s as prices fell and non-toxic, non-flammable synthetic refrigerants such as Freon-12 (R-12) were introduced.