Crossword puzzle clue "refining ore"

Here are the possible solutions for refining ore clue

Answer
Clue
Relevancy
slag
Clue
Ore-refining residue
smelting
Clue
Refining ore
abadan
Clue
Mideast oil-refining center
aruba
Clue
Isle famed for oil refining
Island for reclining or refining
Island for reclining and refining
bessemer
Clue
Steel-refining process
crude
Clue
Oil, before refining
Definition
unrefined petroleum

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