Assertion: enamel's composition | /r/Desires | different frit compositions
Facets:
value: to bond
type: PURPOSE
value: to them
type: TRANSITIVE-OBJECT
Source sentences:
text: For ground coats, the composition of a frit for any given application is determined primarily by the metal used as the substrate: different varieties of steel, and different metals such as aluminium and copper, require different frit compositions to bond to them.