Preventing such pollution will require waste water companies to have a responsibility for sludge quality and powers to know about and control toxic discharges to the sewers that run to their works.

为了预防类似土壤污染的发生，废水处理公司在进行工作时必须负起责任，了解污泥的质量所将带来的影响和管制废水中有毒物质的排放。

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Tip: to reduce sludge attack, use of high quality fuel is very necessary, so that the owners of the gas as the gas station of card may.

提示：要削减油泥发作，运用高质量的燃油是非常有必要的，所以主张车主加油时尽也许到正牌的加油站。

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The key reasons of lowing of cleaned ratio coal were bad coal quality and large increase in sludge.

经分析发现，煤质变差，煤泥量大幅度增加是影响精煤产率的关键。

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The story goes that the brewers of Plzen had become so disgusted with the quality of their local ale that they dumped 36 barrels of the sludge in front of City Hall.

FORBES: Czech Mate