Assertion: lamp's bulb | /r/CapableOf | provide convenient mounting
Facets:
value: for the fused quartz arc tube
type: TRANSITIVE-OBJECT
value: in either case
type: OTHER
Source sentences:
text: The outer bulb may be clear or coated with a phosphor; in either case, the outer bulb provides thermal insulation, protection from the ultraviolet radiation the light produces, and a convenient mounting for the fused quartz arc tube.