e/Ore dressing

Information
has gloss	eng: Ore dressing is one of the principal processes in the work of mining. It consists of separating economically valuable minerals from those with little or no value, or of separating valuable minerals from each other, so that they may be further processed, for example by smelting.
lexicalization	eng: Ore dressing
lexicalization	eng: Ore-Dressing
instance of	c/Metallurgical processes