Practical preventive medicine . Fig. 108.—Arsenic poisoning. A comparatively dustless bolter. Respira-tors worn as an additional protection. (Industrial Dis., Am. Labor Leg. Rev., 1912.) OCCUPATIONAL INTOXICATIONS AND DISEASES 251. Fig. 109.—Room at boot and shoe factory. Women and girls are exposedto the fumes of naphtha from open bowls of cement. (Bull. 127, Bur. LaborStat.)

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectprevent, bookyear1920