Assertion: tellurium | /r/AtLocation | stainless steel
Facets:
value: to make
type: PURPOSE
Source sentences:
text: In addition, it is used as an oxidizer and colorant and is added to stainless steel and copper.
text: Tellurium is combined to lead to increase its resistance to sulfuric acid and added to stainless steel and copper to make easier to machine and mill.
text: When added to stainless steel and copper it makes those the resultant alloy more machinable.