Assertion: alloy's metal | /r/CapableOf | improve its properties
Facets:
Source sentences:
text: A steel alloy is created when other metals are added to the basic combination of iron and carbon, improving its properties.
text: A small percentage of alloying elements — typically, no more than 5% — is added to the mix, and these metals can improve corrosion resistance, machinability, and many other properties.