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Examples of coal tar
coal tar
Coal tar is a waste product of the coking of coal, a process used in making steel.
From the kentucky.com
So we are faced with a huge shortage of coal tar, which may no longer be available.
From the dailyherald.com
Coal tar contains highly toxic chemicals and health agencies consider it a carcinogen.
From the timesunion.com
Coal tar remains in widespread use even though its dangers have been known for centuries.
From the sacbee.com
Adhesives containing coal tar were thus prohibited, as a health hazard.
From the sciencedaily.com
The best sealants are acrylic, asphalt-based emulsions or coal tar pitch.
From the dailyherald.com
The first synthetic dyes was William Perkins's mauveine in 1856, derived from coal tar.
From the en.wikipedia.org
I read about coal-tar shampoo for rosacea and found that it worked well.
From the charlotteobserver.com
Dust grains from the break-up of coal-tar parking lot sealant were by far the biggest source.
From the newscientist.com
