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

Crossword clues for Some smelter input:

SCRAP: Some smelter input
ORES: Smelter inputs
IRONORE: Smelter input
ORE: Smelter input
ORES: Smelter input
ORE: Smelter's input
ORES: Smelter's inputs