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ASME A120.1-2006 pdf – Safety Requirements for Powered Platforms and Traveling Ladders and Gantries for Building Maintenance
ASME A120.1-2006 pdf – Safety Requirements for Powered Platforms and Traveling Ladders and Gantries for Building Maintenance. 3.3.9 TroLley System. A track-mounted trolley system, supported from an overhead structure, may be used as a means of suspension, tinder the definition...