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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Nadeng. - Nadeng and metal halide lamps is pressurized gas or electric, the main efficient lighting products.

高压钠灯。高压钠灯和金属卤化物灯是目前高压气体放电灯中主要的高效照明产品。

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Because the filthy damp gas straight to the body, impede health, in addition to the bathroom noise, lighting also affect the owner of the rest.

因为污秽潮湿之气直冲身体，有碍健康，此外卫生间的噪声、灯光亦影响主人休息。

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Curious facts tumble from the pages that the aspidistra owed its popularity, for example, to its ability to withstand the fumes from gas lighting.

ECONOMIST: 19th-century domesticity

Case in point: a scene from the upcoming documentary Gasland, which features a man lighting his faucet water on fire and making the ridiculous claim that natural gas drilling is responsible for the incident.

FORBES: Slurring Natural Gas With Flaming Faucets And Other Propaganda