In the course of the survey were measured distances job of aerosol sources of water. It constituted the base of varying the exposure of workers and allowed the wyodrçbnienie 2 treatment groups: * persons employed in the direct bUskosci devices ^ Dzen produce ^ smokers water spray, which for becomes greater ^ Coiled working time remained at a distance of 20 m from that point, * persons, whose post was sic at a distance of more than 20 meters from the source of aerosol.
翻訳されて、しばらくお待ちください..
