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2. Mud motor - Wikipedia

   en.wikipedia.org/wiki/Mud_motor

   A mud motor (or drilling motor) is a progressive cavity positive displacement pump (PCPD) placed in the drill string to provide additional power to the bit while drilling. The PCPD pump uses drilling fluid (commonly referred to as drilling mud, or just mud) to create eccentric motion in the power section of the motor which is transferred as ...

3. List of components of oil drilling rigs - Wikipedia

   en.wikipedia.org/wiki/List_of_components_of_oil...

   Suction line (#3) is an intake line for the mud pump to draw drilling fluid from the mud tanks. Swivel (#18) is the top end of the kelly that allows the rotation of the drill string without twisting the block. Traveling block (#11) is the moving end of the block and tackle. Together, they give a significant mechanical advantage for lifting.

4. Long-tail boat - Wikipedia

   en.wikipedia.org/wiki/Long-tail_boat

   Long-tail boats in Poda island, Krabi, Thailand. The long-tail boat ( Thai : เรือหางยาว , RTGS : ruea hang yao , [ 1 ] pronounced [rɯ̄ːa̯ hǎːŋ jāːw] ) is a type of watercraft native to Southeast Asia that uses a common automotive engine as a readily available and maintainable powerplant. [ 2 ]

5. Outboard motor - Wikipedia

   en.wikipedia.org/wiki/Outboard_motor

   In Vietnam these outboards are called máy đuôi tôm (shrimp tail motor), which are smallish air-cooled or water-cooled gasoline, diesel or even modified automotive engines bolted to a welded steel tube frame, with another long steel tube up to 3 m long to hold an extended drive shaft driving a conventional propeller. The frame that holds the ...

6. Here’s Exactly How Much Protein You Need To Build 1 ... - AOL

   www.aol.com/exactly-much-protein-build-1...

   As long as you’re eating enough protein daily and resting plenty between workouts—you’re good to go, says Machowsky. So, hitting your daily protein goal is way more important than stressing ...

7. Screw-propelled vehicle - Wikipedia

   en.wikipedia.org/wiki/Screw-propelled_vehicle

   A screw-propelled vehicle A screw-propelled vehicle is a land or amphibious vehicle designed to cope with difficult terrain, such as snow, ice, mud, and swamp. Such vehicles are distinguished by being moved by the rotation of one or more auger-like cylinders fitted with a helical flange that engages with the medium through or over which the vehicle is moving. They have been called Archimedes ...