Assertion: antimony | /r/HasProperty | possible
Facets:
value: to extract the antimony
type: PURPOSE
value: economically
type: DEGREE
value: usually
type: DEGREE
Source sentences:
text: Antimony is found in trace amounts in silver, copper and lead ores, and it is usually economically possible, as well as environmentally desirable, to extract the antimony from these ores when they are smelted.