Assertion: incandescent light bulb | /r/HasProperty | the standard
Facets:
value: in light bulb technology
type: OTHER
value: for many years
type: TEMPORAL
Source sentences:
text: Incandescent light bulbs were the standard in light bulb technology for many years, but are now being phased out for everyday usage.
text: Incandescent light bulbs are the standard light bulbs that many of us own.