How to install 4 -1 Pulley System industrialsafety 4 To 1 Pulley System
Here, Scott builds a 4:1 Haul System using Petzl Pulleys and a Micro Traxion Progress Capture Pulley. Scott Backes, representing How Pulley works This is a checkoff for NPQ rope rescue tec. If you see any thing that needs corrected please comment. Also gloves should always ...