Assertion: nitrogen dioxide's gas | /r/HasProperty | produced for use
Facets:
value: industrially
type: LOCATION
Source sentences:
text: Carbon monoxide, (CO), a highly toxic, colourless, odourless, flammable gas produced industrially for use in the manufacture of numerous organic and inorganic chemical products; it is also present in the exhaust gases of internal-combustion engines and furnaces as a result of incomplete conversion of carbon or carbon-containing fuels to carbon dioxide.