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

Crossword clues for 0.0000001 joule 3 letters:

ERG: 0.0000001 joule
ERG: 0.0000001 joules
PETERGABRIEL: Sledgehammer singer [0.0000001 joules]