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2. Differential pulley - Wikipedia

   en.wikipedia.org/wiki/Differential_pulley

   The mechanical advantage at the differential sprocket pair equals ⁠ P 1 / P 1 − P 2 ⁠. 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 ⁠ .

3. Crane (machine) - Wikipedia

   en.wikipedia.org/wiki/Crane_(machine)

   Very much an American invention the Carry deck can hoist a load in a confined space and then load it on the deck space around the cab or engine and subsequently move to another site. The Carry Deck principle is the American version of the pick and carry crane and both allow the load to be moved by the crane over short distances.

4. Hoist (device) - Wikipedia

   en.wikipedia.org/wiki/Hoist_(device)

   Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.

5. Gantry crane - Wikipedia

   en.wikipedia.org/wiki/Gantry_crane

   Taisun, the world's strongest gantry crane, at Yantai Raffles Shipyard, Yantai, China. Full gantry cranes (where the load remains beneath the gantry structure, supported from a beam) are well suited to lifting massive objects such as ships' engines, as the entire structure can resist the torque created by the load, and counterweights are generally not required.

6. Harbor Freight Tools - Wikipedia

   en.wikipedia.org/wiki/Harbor_Freight_Tools

   Harbor Freight Tools, commonly referred to as Harbor Freight, is an American privately held tool and equipment retailer, headquartered in Calabasas, California. It operates a chain of retail stores, as well as an e-commerce business. The company employs over 28,000 people in the United States, [5] and has over 1,500 locations in 48 states. [6] [7]

7. Ready To Start Drinking Less? These Therapist-Approved Tips ...

   www.aol.com/ready-start-drinking-less-therapist...

   1. Practice turning down alcohol in advance. If you know you’re heading to an event where you’ll be offered alcohol, prepare what you’re going to say before you get there, says Young.