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 ...

Small rope pulleys online, Sailing Pulley 2pcs Stainless Steel Nylon Pulleys Small Lifting Pulley Small Lifting Pulley Pulley Blocks Rope Runner Kayak for Boat Sailing Kayaking online ...

SALT LAKE CITY (April 5th, 2021) — Petzl, manufacturer of professional safety equipment for over 25 years, will release a new line of swivel pulleys. The SPIN line features three new pulleys, which ...

GREENSBORO, NC -- Safety takes no holiday-- especially on this holiday when turkey fryers are being fired up all over the nation. Now before you say, "What are the chances a fire due to my turkey ...

A gear close gearA gear is a mechanical part with teeth that interlock with another gear or belt to transfer motion and power while changing speed, or direction in a mechanical system. is a special ...

Introduction Before the industrial age people largely had to rely on muscle power to move and lift heavy objects. Simple machines such as pulleys, levers and ramps made it easier for humans to lift ...