Assertion: metal's oxide | /r/HasProperty | removed
Facets:
value: from the substrate surface
type: LOCATION
value: easily
type: MANNER
Source sentences:
text: Platinum does oxidize, forming PtO 2 , at 500 °C; this oxide can be easily removed thermally.
text: Once oxides have been removed from the substrate surface, most liquid metals will wet to most metallic surfaces.