. ~
3
iC
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Rate
¥
2(
Severity Rate pew 10 Tone
3
1920 1921 1922 1923 1924 1925
78.0 86.0 82.2 74.4 61.6 59.5
Accidents per 10,000 Tons
2.05 1.90 1.64 2.00 1.47 1.09
Days Lost per 10 Tons
CrART 54 AcciENT FREQUENCY AND SEVERITY RATES In TERMS OF PRODUCTION
FroM 1920 T0 1926 oF 9 CoMPANIES MANUFACTURING CASTINGS. NUMBER OF
EMPLOYEES, 5,253
Accident frequency rate decrease ....................28.9 per cent
Accident severity rate decrease .. vee..40.1 “
25