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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. 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 ...

4. 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.

5. Hoda Kotb Talks Possible Future Wedding Almost 3 Years After ...

   www.aol.com/hoda-kotb-talks-possible-future...

   Hoda Kotb is looking ahead towards a possible wedding in her future.. On the Dec. 11 episode of Today with Hoda and Jenna, Kotb and co-host Jenna Bush Hager discussed the "micro-wedding" trend ...

6. 1 Growth Stock Down 93% to Buy Right Now - AOL

   www.aol.com/1-growth-stock-down-93-230000529.html

   In October, sales of existing homes increased 3.4% over September, according to Freddie Mac, beating The Wall Street Journal's estimate of 2.9%. They also rose 2.9% year over year, the first year ...

7. 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