[The prevention of occupational diseases in glassware grinders].

The role is shown of a complex of hygienic measures in the prophylaxis of professional diseases of the hands of grinders--reduction of the level of morbidity and delay of the onset of symptoms. Nonobedience of hygienic regulations is the major cause of failures of prophylactic measures. The authors worked out physiological regulations of static loads and effective means of their control.

[The role of lead as a harmful factor in the manufacture of crystal products].

The article deals with research into dust contamination of crystal processing shops, and contains toxicological data related to different lead-containing dusts. It was established that the dust concentrations containing 51 to 66% silicon dioxide was higher in the crystal-cutting shops as compared with other shops. The content of lead in the dust in the composition and crystal processing shops was higher than that in the crystal-cutting shops.