Assertion: cleaver | /r/CapableOf | form cleaver-brooks
Facets:
value: in 1931
type: TEMPORAL
Source sentences:
text: Cleaver and Raymond Brooks formed Cleaver-Brooks in 1931 and began mass-producing boilers.
text: Cleaver and Raymond Brooks formed Cleaver-Brooks in 1931 and began producing the world's first packaged boiler.