Answer: SOOTS

Possible questions:


Smudges we know 4 Answers
Covers with coal dust we know 1 Answer
Grimes we know 2 Answers
Covers with black grime we know 1 Answer
Soils with chimney grime we know 1 Answer
Covers with coal dust, e.g. we know 1 Answer
Blackens, in a way we know 2 Answers
Begrimes we know 2 Answers
Smudges, in a way we know 1 Answer
Smoke residues we know 1 Answer
Grimy deposits we know 1 Answer
Dirties, as a chimney we know 1 Answer
Chimney offshoots we know 1 Answer
Chimney grimes we know 1 Answer
Carbons we know 1 Answer
Blackens with chimney grime we know 1 Answer
Air pollutants we know 1 Answer

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