Dusts 3


Dusts 3 : Solid particles suspended in air as the result of the disintegration of matter. Dust may be generated by mechanical means. (a) Respirable dusts: These are dusts with particles fine enough to penetrate the smallest airways in the lungs. (b) Non-respirable dusts: The particles in these dusts are larger and are removed in the nose and upper airways of the lungs
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