Industrial waste is even more harmful since there are many highly poisonous materials in it, such as copper and lead.

工业废料更有害，因为其中有许多毒性很强的材料，如铜和铅。

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Caro often works in steel, but also in a diverse range of other materials, including bronze, silver, lead, stoneware, wood, and paper.

卡罗经常使用钢做作品，但也采用多样化的其它材料，比如青铜、银、铅、石制品、木头和纸。

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Incineration of heavy metals or materials with high metal content (in particular lead, mercury and cadmium) can lead to the spread of toxic metals in the environment.

焚烧重金属或金属含量高的材料(尤其是铅、汞和镉)可能使有毒金属传播到环境中。

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TVs and monitors are harder to recycle because of the lead and other hazardous materials they contain.

BBC: Computer mountain graphic

The charity is currently funding some Leeds-based research into how artificial hips are worn away during the "swing phase" of walking, which it is hoped will highlight the benefits of different materials, and lead to recommendations to improve surgical techniques or design.

BBC: Longer-lasting hip-joint hope

The researchers first created separate nanoparticles of two materials, lead selenide and magnetic iron oxide, with precise dimensions.

ECONOMIST: MONITOR