Hand Signals for Shovel-Crane Operations safety poster
Alberta Workmen's Compensation Board poster, Provincial Archives of Alberta, PR1993.0408/4.
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Uploaded on March 2, 2018
Taken circa 1950
Hand Signals for Shovel-Crane Operations safety poster
Alberta Workmen's Compensation Board poster, Provincial Archives of Alberta, PR1993.0408/4.
8,803
views
11
faves
0
comments
Uploaded on March 2, 2018
Taken circa 1950