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… 104. Hand Operated Switches General (a) Operation of Switches - semi-automatic, spring, dual control or … switches apply. (b) Except while being turned, each switch must be secured with an approved device. When a switch has been turned, the points must be examined and the …
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… 2.31 MB) This booklet was developed by Dr. Garry Timco and Dr. Michelle Johnston of the Canadian Hydraulics Centre, National Research Council of Canada. Support and funding for its development was provided by Transport … used in this booklet were provided by several individuals and organizations including Bob Gorman, Michelle Johnston, …
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