When a rope, cable or belt runs along the groove ... Lifts, window blinds and cranes often use pulley systems. Let’s change gear to look at gears. Gears are also wheels attached to a fixed ...

Consider the carnage produced by the popular gladiatorial and animal blood-bath games. At Rome’s Colosseum, a system of ropes and pulleys could lift as many as 100 animals (such as leopards, lions, ...

Compatible with Werner AC30-2 Extension Ladder Rope. Can be cut to the length you need to fit all aluminum and fiberglass extension ladders, up to 40 ft, except for double pulley systems.