Assertion: blast furnace gas | /r/ObjectUse | used as fuel
Facets:
value: on cowper stoves
type: LOCATION
Source sentences:
text: Likewise, blast furnace gas collected at the top of blast furnace, still contains some 10% to 30% of carbon monoxide, and is used as fuel on Cowper stoves and on Siemens-Martin furnaces on open hearth steelmaking.