Assertion: visible light led | /r/CapableOf | limit to red
Facets:
Source sentences:
text: The first visible-light LEDs were of low intensity and limited to red.
text: The first visible-light LEDs were of low intensity and limited to red.
text: The first visible-light LEDs were of low intensity and limited to red.
text: The first visible-light LEDs were of low intensity and limited to red.