Assertion: lamp | /r/CapableOf | use noble gas
Facets:
value: typically
type: DEGREE
Source sentences:
text: Typically, such lamps use a noble gas (argon, neon, krypton, and xenon) or a mixture of these gases.
text: Typically, such lamps use a noble gas or a mixture of these gases and additional materials such as metal halides, sodium, mercury or sulfur.