'Chimney sweeps can show you this carbonaceous substance produced during incomplete combustion'
soot
FILTHY 4-LETTER WORDS: Chimney sweeps can show you this carbonaceous substance produced during incomplete combustion
Chimney sweeps can show you this carbonaceous substance produced during incomplete combustion
Chimney sweeps can show you this carbonaceous substance produced during incomplete combustion
FILTHY 4-LETTER WORDS
soot
FILTHY 4-LETTER WORDS