Assertion: furnace | /r/CapableOf | use forced and induced draft fan
Facets:
value: to draw combustion air
type: PURPOSE
value: to draw exhaust gases
type: PURPOSE
Source sentences:
text: The furnace used a forced and induced draft fan to draw combustion air and exhaust gases through the combustion chamber at 1/3 of the speed of sound (100 m/s+).