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2. Z-drag - Wikipedia

   en.wikipedia.org/wiki/Z-drag

   These Prusiks provide fixed attachment points on the rope that can be moved when slightly loosened. The first Prusik knot is attached to the "traveling pulley," allowing it to pull on the load. The second Prusik knot is used to hold the position of the rope and is referred to as a 'progress capture device' or ratchet.

3. Mechanical advantage device - Wikipedia

   en.wikipedia.org/wiki/Mechanical_advantage_device

   Examples of rope and pulley systems illustrating mechanical advantage. Consider lifting a weight with rope and pulleys. A rope looped through a pulley attached to a fixed spot, e.g. a barn roof rafter, and attached to the weight is called a single pulley. It has a mechanical advantage (MA) = 1 (assuming frictionless bearings in the pulley ...

4. Differential pulley - Wikipedia

   en.wikipedia.org/wiki/Differential_pulley

   Because there is a traveling pulley at the load, this doubles the mechanical advantage of the fixed (anchored) sprocket assembly, leading to a total mechanical advantage of 2 × ⁠ P 1 / P 1 − P 2 ⁠. For instance, a 1-ton differential chain fall might have a 15-pocket and a 14-pocket sprocket set.

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   A Texas grandmother is accused of having an unnecessary gastric feeding tube placed into her granddaughter. Lisa Campbell-Goins is charged with unlawful restraint, exploitation of a child and ...

7. Cristiano Ronaldo backs Manchester City and Real Madrid to ...

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   Cristiano Ronaldo backed his old club Real Madrid and former rival Manchester City to return to the peak of their powers, as the two European giants approach the midpoint of what has been a ...