Assertion: natural gas | /r/ObjectUse | used for lighting streets
Facets:
value: during the 1800s
type: TEMPORAL
value: mainly
type: DEGREE
Source sentences:
text: While during the 1800s, natural gas was used mainly for lighting streets and homes, the creation of pipelines in the 1900s allowed for extensive use of it in home appliances, manufacturing plants, and boilers.