Battery-powered pneumatic Guardian® HLS Heavy-Lift System ordered by several U.S. government agencies to aid in recovery, rescue, and field service missions which require rapid lifting of heavy ...

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 ...

Which pulley system is best? Gym memberships can be expensive, but that’s a poor excuse for not doing your best to stay in shape. If you can’t afford the luxury of having a monthly membership to a ...