A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Safety posters at calumet and hecla mines
Details of contest, consisting of finding poor practices shown in two poster pictures; use of bulletin boards showing cumulative noloss-time accident record, adjacent to poster showing unsafe practice.
Safety posters at calumet and hecla mines
Details of contest, consisting of finding poor practices shown in two poster pictures; use of bulletin boards showing cumulative noloss-time accident record, adjacent to poster showing unsafe practice.
Safety posters at calumet and hecla mines
U S Bur Mines -- Information Cir
Crawford, F.S. (author)
1935
9 pages
Supp plates
Report
English
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