Assertion: lamp's bulb | /r/HasProperty | filled with sulfur vapor or metal halides
Facets:
Source sentences:
text: Two systems are common: plasma lamps, in which electrostatic induction energizes a bulb filled with sulfur vapor or metal halides, and fluorescent induction lamps, which are like a conventional fluorescent lamp bulb that induces current with an external coil of wire via electrodynamic induction.