Assertion: furnace | /r/HasProperty | gas-fired
Facets:
value: with a muffle
type: MANNER
Source sentences:
text: These furnaces are used in galvanizing lines (CGLs) and continuous annealing lines (CALs), and can be radiant tube heated or gas-fired with a muffle.
text: The furnaces are gas-fired and have an integrated thermal post combustion system which is also gas-fired.