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condition caused by inhalation. furthermore, it causes dermatitis and ulceration of the skin upon contact. when osmium is heated, it gives off a pungent, poisonous fume of osmium tetroxide. one case of osmium poisoning reported in the literature resulted from the inhalation of osmium, which gave rise...
and dirt particles from bodies of cleanroom personnel to minimize contamination of equipment or products. designs to an air shower unit include single-side shower, double-side shower, three-side shower, and top shower. air velocity should be in and around m/s through nozzles. hepa filters are generally...
the various grain sizes. sampling is carried out by means of a sample collecting pipe protruding in the material flow. this sample collecting pipe is provided with an opening, into which the material can drop permanently. at the time of sampling, a pneumatically actuated piston is pressed from the waiting...