the air was not respirable
1Clear the Air (Hong Kong) — Clear the Air Type Non governmental organization Industry Environmentalism Founded 10 December 1997 Headquarters Hong Kong Website …
2Air pollution in Hong Kong — is considered a serious problem. It affects flora and fauna in the area, and the health of residents living there. Visibility is currently less than eight kilometers for 30% of the year. Cases of asthma and bronchial infections have soared in… …
3Indoor air pollution in developing nations — is a significant form of indoor air pollution (IAP) that is little known to those in the developed world.Three billion people in developing nations across the globe rely on biomass, in the form of wood, charcoal, dung, and crop residue, as their… …
4Smoking ban — An internationally recognizable No Smoking sign …
5Asbestos — For other uses, see Asbestos (disambiguation). Fibrous asbestos on muscovite …
6Occupational hygiene — Occupational (or industrial in the U.S.) hygiene is generally defined as the art and science dedicated to the anticipation, recognition, evaluation, communication and control of environmental stressors in, or arising from, the workplace that may… …
7Silicosis — Classification and external resources ICD 10 J62 ICD 9 502 …
8Joseph Priestley — (13 March 1733 (Old Style) – 6 February 1804) was an 18th century British theologian, Dissenting clergyman, natural philosopher, educator, and political theorist who published over 150 works. He is usually credited with the discovery of oxygen,… …
9Tuberculosis — Classification and external resources Chest X ray of a person with advanced tuberculosis ICD 10 A …
10Dalian — 大连   Sub provincial city   大连市 …
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