Assertion: tractor's engine | /r/AtLocation | use
Facets:
value: well
type: DEGREE
value: into the 20th century
type: TEMPORAL
Source sentences:
text: Steam-powered agricultural engines remained in use well into the 20th century until reliable internal combustion engines had been developed.
text: Steam-powered agricultural engines remained in use well into the 20th century until reliable internal combustion engines had been developed.