The dust is considered precious materials in human activity through the ages, carrying many different meaning Dust is determined by the diameter of the seed, and the seed's diameter is the unit is 1 g/cm3.When in contact with the body, the easier the more soluble dust hazardous because they can cause intoxication or irritate depending on the type of dust. Radioactive dust as mined ores containing radioactive substances, in the atomic energy industry. Dust can, under the effect of the electric field, the dust will decompose, sucked on the other pole is marked and there are applications to the reduction, dust filter. The types of pollution and toxic dust: the dust of the street dust, Silica dust, dust, metals, minerals and chemicals are other snakes. Microorganisms, dust fallout caused by the atomic bomb, the cleaner the fires ...
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