Assertion: carbon monoxide | /r/AtLocation | fume
Facets:
value: by burning charcoal
type: MANNER
value: typically
type: DEGREE
Source sentences:
text: CO is typically found in fumes produced any time fuel is burned in cars or trucks, small engines, stoves, lanterns, grills, fireplaces, gas ranges, or furnaces.
text: CO is found in fumes produced by furnaces, stoves, lanterns, and gas ranges, or by burning charcoal and wood.
text: CO is found in fumes produced any time you burn fuel in cars or trucks, small engines, stoves, lanterns, grills, fireplaces, gas ranges, or furnaces