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2. Z-drag - Wikipedia

   en.wikipedia.org/wiki/Z-drag

   A Z-Drag or Z-Rig is an arrangement of lines and pulleys, effectively forming a block and tackle, that is commonly used in rescue situations. [1] The basic arrangement results in pulling the hauling end 3 times the distance the load is moved, providing a theoretical mechanical advantage of three to one .

3. Chevrolet 153 4-cylinder engine - Wikipedia

   en.wikipedia.org/wiki/Chevrolet_153_4-cylinder...

   The 153 cu in engine had a 3 + 7 ⁄ 8-inch (98 mm) bore and 3 + 1 ⁄ 4-inch (82.6 mm) stroke, with two overhead valves per cylinder actuated by pushrods and a 1-3-4-2 firing order. The Chevy II 's 194 cu in six-cylinder used a 3 + 9 ⁄ 16 -inch (90.5 mm) bore, which by 1964 was enlarged to match the 153 four-cylinder's resulting in a ...

4. Bored cylindrical lock - Wikipedia

   en.wikipedia.org/wiki/Bored_cylindrical_lock

   In the United States, typically, the face bore is sized from 1.5 to 2.125 inches (3.81 to 5.40 cm) in diameter and is centered at 2.375 or 2.75 inches (6.03 or 6.99 cm) from the leading edge of the door. This distance is referred to as the "backset." [3] Other, less popular, backsets are at 3.75 and 5 inches (9.5 and 12.7 cm). Residential doors ...

5. This Body Type Is Linked to an Increased Risk of Developing ...

   www.aol.com/lifestyle/body-type-linked-increased...

   A new study has linked visceral fat around the midsection with an increased risk of developing Alzheimer’s disease

6. Block and tackle - Wikipedia

   en.wikipedia.org/wiki/Block_and_tackle

   Diagram 3 shows three rope parts supporting the load W, which means the tension in the rope is W/3. Thus, the mechanical advantage is three-to-one. By adding a pulley to the fixed block of a gun tackle the direction of the pulling force is reversed though the mechanical advantage remains the same, Diagram 3a. This is an example of the Luff tackle.

7. Trump invites China's Xi, other world leaders to inauguration

   www.aol.com/news/trump-invites-chinas-xi-other...

   U.S. President-elect Donald Trump has invited Chinese President Xi Jinping and other foreign leaders to his inauguration next month in Washington, a Trump transition spokesperson said on Thursday.