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2. Gorgonocephalus arcticus - Wikipedia

   en.wikipedia.org/wiki/Gorgonocephalus_arcticus

   The oral side of the disc contains bursal slits on each side of the base of each arm. The slits are openings for respiratory bursae. These bursae are specialized sacs in the body wall that serve for gas exchange. [7] Gorgonocephalus arcticus move by strong arm strokes that lift the disk and thrust them forward. [3]

3. Norris Production Solutions - Wikipedia

   en.wikipedia.org/wiki/Norris_Production_Solutions

   In 2012, Dover acquired Production Control Systems. PCS has roots in plunger lift and well control holding several patents on plungers and associated equipment. PCS also provides a suite of well controllers and automation systems, and solutions [buzzword] for gas lift and nitrogen generation. They merged with Ferguson Beauregard to become PCS ...

4. Gas lift - Wikipedia

   en.wikipedia.org/wiki/Gas_lift

   The gas-lift mandrel is a device installed in the tubing string of a gas-lift well onto which or into which a gas-lift valve is fitted. There are two common types of mandrels. In a conventional gas-lift mandrel, a gas-lift valve is installed as the tubing is placed in the well. Thus, to replace or repair the valve, the tubing string must be pulled.

5. Gas spring - Wikipedia

   en.wikipedia.org/wiki/Gas_spring

   A gas spring consists of a sealed cylinder filled with a charge of high-pressure [5] gas, a piston rod attached to a piston with a sliding seal, and some oil. [1] The piston (or the cylinder wall) contains a number of channels that allow the gas to transfer between the lower chamber (between the piston and the closed end of the cylinder) and the upper chamber (between the piston and the head ...

6. Powered exoskeleton - Wikipedia

   en.wikipedia.org/wiki/Powered_exoskeleton

   An exhibit of the "Future Soldier" designed by the United States ArmyA powered exoskeleton is a mobile machine wearable over all or part of the human body, providing ergonomic structural support, and powered by a system of electric motors, pneumatics, levers, hydraulics or a combination of cybernetic technologies, allowing for sufficient limb movement, and providing increased strength ...

7. Kim Kardashian Shows Skin from All Angles in a Shocking ...

   www.aol.com/kim-kardashian-shows-skin-angles...

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