[Respiratory organ morbidity in workers in the mining industry].

Morbidity involving temporary unfitness for work in underground miners is marked by a great specific weight among them of disorders of the respiratory system. In the structure of the above disorders acute viral-and-bacterial infections of the respiratory organs predominate and determine the increment of chronic unspecific lung diseases in miners as well as high rates of occupational pathology of the respiratory organs.

[Combined effect of the chief chemical elements in the manufacture].

Character of the combined effect of main dust components in working zone air of cermet enterprise is determined. Graphic method for assessment, forecasting and hygienic correction of air quality is suggested.