Other causes include over exposure to radon, asbestos and air pollution.
其他的病因包括氡，石棉的过度接触和过度暴露于空气污染。
This text introduced the pollution status of asbestos tailing during asbestos exploitation, and analysed the speciality of asbestos tailing and its advancement of utilization as resource.
本文介绍了石棉矿开采过程中排放的石棉尾矿污染现状，分析了石棉尾矿特点及其资源化利用研究进展。
For example, in order to prevent secondary pollution, even the use of sewage is not Valve asbestos packing and gasket sealing.
例如为了防止二次污染，即使是排污阀也不采用含石棉的密封填料和垫片。
Port facilities construction and renovation contribute to surface and ground water contamination and air pollution from asbestos, lead-based paint, dust, sediments, PCBs and petroleum hydrocarbons.
港口设施的建设和改造，而造成地下水污染和对空气的污染是来自石棉、含铅的油漆、灰尘、沉淀物、多氯联苯、石油碳氢化合物等。
Its high face activities can on the one hand be utilized to control environmental pollution, but on the other hand bring about fatal threat to human beings by resulting in asbestos lung and cancers.
高表面活性使其可被用来治理环境污染，但也可对人体造成致命威胁，导致石棉肺并引发癌症。
Avoid environmental hazards such as radon, asbestos and air pollution.
避免环境危害，减少对氡、石棉和大气污染的接触。
Radon gas in the environment, particles of the fire-resistant material asbestos and air pollution also increase the risk.
环境中的氡气、防火材料石棉 的颗粒以及空气污染也会增大患肺癌的风险性。
The goal of the invention is to solve the problems existed in the use of asbestos pad, increase utilization rate, improve worker's labour condition and reduce environmental pollution.
该发明的目的主要是解决现在使用中的石棉垫制品所存在的问题，提高使用效果且改善工人的劳动条件减少对环境的污染。
The non-asbestos braking blocks, a kinds of environmental producted newly, have the advantage of fine atability, high wearability, no noise and no pollution, etc.
我公司开发研制的全新无石棉环保型刹车蹄片具有制动性能稳定、磨耗低、无噪音，无污染等优点。
The non-asbestos braking blocks, a kinds of environmental producted newly, have the advantage of fine atability, high wearability, no noise and no pollution, etc.
我公司开发研制的全新无石棉环保型刹车蹄片具有制动性能稳定、磨耗低、无噪音，无污染等优点。
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