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Comparison of accident rates for large and small plants
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14 days 9-hour plants Accident data accident rates accident-frequency rates accidents at metallurgical accidents in 1925 auxiliary axes blast furnaces Bureau of Mines Burns from matte burns or asphyxiation cars and locomotives Cause of accident causes Total cent Cyanide days per accident Electricity Falling objects rocks Falls of persons fatality rate Flying or falling Flying pieces Gas burns Hand tools Handling hot materials Haulage system cars hours 10 hours injured per thousand length of shift lost-time injuries machinery metallurgical plants million man hours mills and smelters motors nent total nonfatal injury rate Number injured Number killed number of days operating ore-dressing plants permanent partial disability permanent total disability pouring or spilling quarries Railway cars rock from sledging safety engineers Scalding steam slag smelters in 1925 Smelting plants South Dakota stamp mills steam or water Suffocation Table temporary injuries thousand 300-day workers thousand employees timbers Total number Utah zinc