Molecular Sieve - is a manufactured crystalline version of Zeolite and is a non-hazardous.

分子筛-是一种由沸石制造的水晶，是一种无毒材料。

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Once you've actually made it and purified it, it's completely non-toxic and non-hazardous.

实际上，这种油一旦经过生产和纯化，就完全没有毒性，也没有危险。

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Unless specifically authorized by site management, contractors will not remove hazardous or non-hazardous waste materials from the site.

除非现场管理人员特别授权，否则承包商不得从现场中移走危险或非危险废弃材料。

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These explosion proof LED flashlights are ideal for operators in hazardous and non hazardous locations who need a highly reliable yet powerful and long lived source of portable illumination for activities such as utilities repairs and plant inspections.

ENGADGET: Explosion-proof flashlight could be the first to outlive its owner

The Tockwith plant treated and disposed of hazardous and non-hazardous industrial waste.

BBC: Tockwith waste fire firm in administration

Heritage Crystal Clean is a company that provides hazardous and non-hazardous waste collection services to small businesses as well as parts cleaning tools.

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