The occupational main hazard substances that the subjects contacted were organic solvent, productive dust and noise, irritant gas, metal poison.
职工接触的职业有害因素以有机溶剂、粉尘和噪声、刺激性气体、金属毒物为主。
Productive dust is an occupational harmful factor of coal-fired thermal power plant. In the whole course from raw coal approaching to boiler burning and discharging the dust has been produced.
生产性粉尘是燃煤火电厂一大职业性有害因素，从原煤进厂到锅炉燃烧、排放的整个过程均有粉尘产生。
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