Assertion: purpose lens | /r/CapableOf | protect against the light
Facets:
value: in space
type: LOCATION
value: during laser and welding work
type: TEMPORAL
Source sentences:
text: NASA research primarily by scientists James B. Stephens and Charles G. Miller at the Jet Propulsion Laboratory (JPL) resulted in special lenses that protected against the light in space and during laser and welding work.