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

Crossword clues for Input for a refinery:

CRUDE: Oil refinery input
ORE: Refinery input
ORES: Refinery inputs
OIL: Refinery input
ORES: Metal refinery input
ORE: Raw input for refineries
CRUDE: Input for a refinery