In the world of rope rescue, we use mechanical advantage systems really for two reasons. The first being a force increasing tool and the second, a means of reducing the weight of a load during a ...

ROLLNLOCK is the multipurpose device CLIMBING TECHNOLOGY dedicates to mountaineering, rope access work and self-rescue. Compact, ultralight and easy to handle, it offers three different modes of ...

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 ...