A group of first responders used a rope pulley system to hoist five stranded tourists more than 200 feet out of the Grand Canyon Caverns in Arizona after the elevator broke down on Sunday, according ...
Pulley systems are simple machines that make lifting heavy objects easier. They consist of a rope or cable that passes over one or more wheels (pulleys). A single pulley changes the direction of force ...
Many fire departments provide much more than suppression activities in the emergency services, including technical rescue. In the world of rope rescue, the rescue team still has to move a victim up, ...