Using mechanical advantage in rigging makes lifting heavy loads easier. It works by multiplying the force you apply to the load line. This video shows a 4:1 pulley system that will move a load 4 feet for [...]

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As a New Jersey Licensed Tree Expert, TCIA Certified Treecare Safety Professional (CTSP) and TCIA Qualified Trainer, I have witnessed the profound impact that technological advancements have had on the tree care industry. Among these, the grapple-saw [...]