Dust, smoke, gas industry today. Viet Nam has industrial zones and export processing zones, at least 4 million people, 200 people. Production units or various factories, often do not have a system to filter dust and gas. The audit found that the space bar plant, especially factory produced steel. Paper chemicals, the density of carbon, sulphur and Dai leisure module side weld website. In higher normal criteria, 2-6 as far as the use of coal and petroleum to produce toxic gas emissions, it would be as well.
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