As there was no evidence that hazardous waste was buried at the mine, investigators speculate that the source of dioxins may be natural, perhaps due to a prehistoric forest fire.
由于没有证据表明该矿埋有危险废物，调查者认为该例二恶英的来源可能是一个自然过程，也许归因于史前森林大火。
Storage for hazardous materials and fuel must be in a secure place with proper fire protection facilities.
存放危险品和燃料的库房要有相仿设施。
Cuben recovery processing; Wholesale and retail: Hardware (excluding fire watches), for electricity, chemical products (excluding hazardous chemicals), building materials, steel.
粗苯回收加工；批发零售：五金(含消防器材)交电，化工产品(含化学危险品)建筑材料，钢材。
Straws are widely utilized in paper mills in China. During the production, a lot of straw residues are produced, which will result in environmental pollution and be fire-hazardous.
我国造纸行业广泛采用草类制浆造纸，生产过程中会产生大量麦草废弃物，既污染环境，又易引发火灾。
Fire extinguishers are required to be equipped at the place of storage of hazardous materials in accordance with applicable safety measures.
存放地点和使用现场须配置灭火器具，采取相应的安全措施。
Fire extinguishers are required to be equipped at the place of storage of hazardous materials in accordance with applicable safety measures.
存放地点和使用现场须配置灭火器具，采取相应的安全措施。
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