Occupational noise is one of the occupational health problems; furthermore, it is one of worldwide environment hazards.
职业噪声不仅属于职业卫生问题,也是当今世界上主要的环境公害之一。
The reason a leader would do this especially in an industry or a laboratory environment may be mere potential hazards.
一个领导在产业或者实验室环境下做这些,的原因可能仅仅是更多潜在的危害。
Geologists search for fuels and minerals, study natural hazards, and work to protect Earth's environment.
地质学家寻找地球上的燃料和矿藏、研究自然灾害并制订保护地球环境的措施。
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