Assertion: sodium lamp | /r/CapableOf | use sodium
Facets:
value: in an excited state
type: LOCATION
value: to produce light
type: PURPOSE
Source sentences:
text: A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm.
text: A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm.