Assertion: quartz heating element | /r/ObjectUse | used as infrared heaters
Facets:
value: commonly
type: TEMPORAL
Source sentences:
text: They provide a rapid source of heating and are commonly used as infrared heaters.
text: They provide a rapid source of heating and are commonly used as infrared heaters.
text: They provide a rapid source of heating and are commonly used as infrared heaters.
text: They provide a rapid source of heating and are commonly used as infrared heaters.