Many of the tyres are blended into road surfaces or burned in cement kilns .

许多轮胎埋在路旁或在水泥窑里焚烧。

Epa estimated the rules would slash mercury emissions from the kilns by 81 percent to 93 percent .

环境署估计此项法规会将水泥窑排放的汞减少81%-93%。

All the while , the number of noxious steel mills , cement kilns and power plants relentlessly increases .

同时，有毒的钢厂，水泥窑及发电厂的数量还在不断增加。

In addition , china is eventually planning to retool its economy so it is less reliant on heavy industry like steel mills and cement kilns , which generate a lot of output with few workers .

此外，中国计划重组其经济并最终更少地依赖于重工业像钢铁企业和水泥窑，并最终达到只需要几个工人就可以生成大量输出产品。

Earthjustice , an environmental law firm in washington , d.c. , filed lawsuits over more than a decade on behalf of local activist groups to get epa to regulate mercury from cement kilns .

华盛顿的一个环境法律事务所，earthjustice在过去的十多年当中曾经代表当地活动家团体提起过多起诉讼，以期使环境署对排放自水泥窑的汞进行管制。