Assertion: light bulb | /r/MadeOf | a stem or glass mount
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Incandescent light bulbs usually contain a stem or glass mount anchored to the bulb's base that allows the electrical contacts to run through the envelope without air or gas leaks.
text: Incandescent light bulbs usually contain a stem or glass mount attached to the bulb's base which allows the electrical contacts to run through the envelope without gas/air leaks.