Assertion: krypton | /r/ObjectUse | used as filling gas
Facets:
value: for energy-saving fluorescent lights
type: PURPOSE
Source sentences:
text: Krypton is used as a filling gas for energy-saving fluorescent lights and as an inert filling gas in incandescent bulbs.
text: Krypton is used as a filling gas for energy-saving fluorescent lights and as an inert filling gas in incandescent bulbs.