Hazards of granular contaminants

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Hazards of granular contaminants.Particulate matter in the air,Mainly from the burning of black smoke,Industrial process emissions of dust,Construction and road traffic dust and so on.
These particles in accordance with the particle size,Divided into dust and suspended particles.
Which suspended particles easily through the respiratory tract into the human body,
Deposited in the alveoli,And endanger human health.
In addition, suspended particles with adsorption capacity, will adsorb many harmful substances

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