mineral extraction vs ore dressing

mineral extraction and ore dressing both are nouns.

Word	Noun	Adjective	Verb	Adverb
mineral extraction	Yes	No	No	No
ore dressing	Yes	No	No	No

As nouns, mineral extraction and ore dressing are synonyms defined as:

mineral extraction and ore dressing: crushing and separating ore into valuable substances or waste by any of a variety of techniques

Other synonyms of mineral extraction include beneficiation, mineral dressing, mineral processing, ore processing.

mineral extraction (noun)	ore dressing (noun)
crushing and separating ore into valuable substances or waste by any of a variety of techniques	crushing and separating ore into valuable substances or waste by any of a variety of techniques