Assertion: safety glass's lense | /r/CapableOf | darken for added protection
Facets:
value: against bright light
type: PURPOSE
value: automatically
type: MANNER
value: with exposure to ultraviolet radiation
type: OTHER
value: with exposure to ultraviolet light
type: OTHER
Source sentences:
text: But with exposure to ultraviolet light, the lenses automatically darken for added protection against bright light.
text: But with exposure to ultraviolet radiation, the lenses automatically darken for added protection against bright light.