Radon , as an " invisible killer " , the second factor which causes lung cancer , is a great public hazard to the human room environment 氡是一个“无形杀手” ，是导致肺癌的第二大因素，为人类居室环境的一大公害。
Many studies have concluded that there is no evidence that mobile phones bring hazards to health when used under normal operating conditions 很多专家断定，尚无证据证明以正常状态使用时手机会对健康带来危害。
A common use of temporary sign is for the signing of road works where construction or maintenance works obstruct the roadway or may be a hazard to traffic 临时标志通常设在正进行道路工程阻碍或交通危险的地方。
Practice safe work habits . abide by all job safety policies . immediately report incidents , accidents and hazards to your supervisor 培养安全工作的习惯。遵守所有工作安全政策。一发现有事故，意外和危险，立即向上级报告。
As a dense thick smoke is produced , it is also necessary to ensure that the operation does not create visibility hazard to passing motorists 由于施放时会形成一团浓烟，因此亦须确保期间不会阻碍路过驾车人士的视线，免生危险。
To minimise the detrimental effect to non - target living organisms , we choose synthetic pyrethroid insecticides which generate less hazards to human beings 为尽量减轻对非目标生物的影响，本署选用对人类危害较少的合成除虫菊脂杀虫剂。
To minimise the detrimental effect to non - target living organisms , we choose synthetic pyrethroid insecticides which generate less hazards to human beings 为尽量减轻对非目标生物的影响，本署选用对人类危害较少的合成除虫菊脂杀虫剂。
To minimise the detrimental effect to non - target living organisms , we choose synthetic pyrethroid insecticides which generate less hazards to human beings 为尽量减轻对非目标生物的影响，本署选用对人类危害较少的合成除虫菊脂杀虫剂。
All road works and works adjacent to the road create inconvenience and are a potential hazard to the safety of all road users and those carrying out the work 所有道路工程和接近道路的工程，都会造成不便，甚至危及道路使用者及施工人员的安全。
In the hazard to life assessment for the ma wan channel route , the eia concludes that the risk of transit is acceptable according to the government guideline 在马湾海峡航线的生命危害评估方面，环评报告认为根据政府指引，运载风险属可接受类别。
