At some projects, leaks of toxic material have polluted waterways.

在一些项目中，有毒物质的泄漏已经污染了航道。

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Applications include detection of toxic material and pathogens for the military, and detection of hazardous materials for civilian applications.

该产品的主要应用包括为军事应用探测有毒材料和病原体，并为民用探测危险物质。

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"So what we have done without any loss of efficiency is to replace expensive and highly toxic material with one that is completely benign and much lower cost in the process," Major said.

“所以，我们完全可以用一种完全良性而且成本低得多的物质来取代这种昂贵且带有剧毒的原料，而且无需承受任何效率损失，”梅杰说。

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Ghana is also a common destination for "e-waste" - used computers and televisions from the West, which often contain toxic material.

BBC: Ghana bans second-hand fridges

The rating agencies blissfully gave AAA status to this toxic material.

FORBES: Magazine Article

What we're doing here is cutting down on landfill use, on possibly toxic material entering the environment, and the Rhondda's getting jobs out of it.

BBC: Computer mountain graphic