Utilising the cheap and plentiful coal tar that was an almost unlimited byproduct of London's gas street lighting, the dye works began producing the world's first synthetically dyed material in 1857.

煤焦油是伦敦煤气道路照明几乎无限的副产物，利用便宜量大的煤焦油，染厂于1857年开始生产世界上第一种合成染色材料。

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He was attempting to manufacture quinine from aniline, an inexpensive and readily available coal tar waste product.

他试图用苯胺批量制造奎宁，苯胺是一种廉价且容易获得的煤焦油废料。

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She smelled of talcum powder and Coal Tar Soap, Jimmy thought, just like his Aunty Freda.

吉米想，她闻起来有股爽身粉和碳油皂的味道，就像他的弗雷达阿姨一样。

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Originally they were derived from coal-tar, the black viscous waste product left over from distilling coal for gas.

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Medicine salesmen were frequently tarred and feathered or given involuntary cosmetic surgeries when their clients caught up with them when coal tar was used in medicines.

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Prosecutors said the company also illegally stored and disposed of hazardous waste without a permit, instructing workers to mix coal tar sludge, a listed hazardous waste that contains benzene, on the ground.

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