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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Crude metal 7 letters:

PIGIRON: Crude metal
PIGIRON: Crude metal used in steel production
ORE: Crude metal
ORES: Crude metals
OREY: Full of crude metal.
MATTE: Crude mixture of metals.