Assertion: calcium carbide | /r/HasProperty | dangerous
Facets:
value: very
type: DEGREE
Source sentences:
text: Calcium carbide is dangerous when wet, and is therefore restricted as a hazardous material.
text: Calcium carbide is considered a hazardous chemical under the U.S. Department of Transportation regulations.
text: Calcium carbide and acetylene gas can be very dangerous if not handled properly.