That is because the city-dweller swallows week after week and month after month unnecessary quantities of soot, ash and tar.
The soot and slime, the slagheaps and the sewer rivers which disfigure so much of our country were applauded as a sign of our prosperity.
Their sums are connected with the price of soot and the price of sweeping chimneys.
Practically no soot was produced.
At this the loon became furious and gathered the soot from its cooking pot and threw it all at the raven, with the result that its whole body became black.
Dust and soot loading for large-scale impacts might be significant.
They slept in cellars on bags of soot and seldom washed.
They would use some fat with the soot.
