Synonyme wurden verwendet für:
Sozialwesen
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keywords:(Sozialwesen)
Accidents due to the use of tools and machinery
Cause and prevention of industrial casualty
Hazards in connection with the reaming and riveting of steel cars
New York Central safety-first department
The sanitarian's work is valuable to a railroad
Safety council discusses conservation of man power
Remarkable progress being made by R. R. Y. M. C. A
The effect of long working hours on industrial efficiency
Feeding and housing railway maintenance of way and construction employees
How welfare work entered the french automotive industry -- II