This episode on rigging blocks and pulleys will help you understand the difference between the tensile strength and the working load limit. It also demonstrates how connecting links are commonly used to optimize the performance of each device.
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This ArborPod™ series offers videos that can help an arborist identify parts of a line; select and use the appropriate knots; and learn about other equipment, resources, and techniques valuable in a variety of climbing and rigging scenarios. Notice to viewers If you have comments or a favorite topic in arboriculture that you would like to learn more about, please contact us at isa@isa-arbor.com.