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2. Jack (device) - Wikipedia

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

   Jack which can lift a mobile home. A jack is a mechanical lifting device used to apply great forces or lift heavy loads. A mechanical jack employs a screw thread for lifting heavy equipment. A hydraulic jack uses hydraulic power. [1] The most common form is a car jack, floor jack or garage jack, which lifts vehicles so that maintenance can be ...

3. Jackscrew - Wikipedia

   en.wikipedia.org/wiki/Jackscrew

   It is commonly used to lift moderate and heavy weights, such as vehicles; to raise and lower the horizontal stabilizers of aircraft; and as adjustable supports for heavy loads, such as the foundations of houses. [citation needed] A leadscrew operates this automotive scissor jack.

4. Laboratory scissor jack - Wikipedia

   en.wikipedia.org/wiki/Laboratory_scissor_jack

   Manual laboratory scissor jack, or laboratory lifting platform for other laboratory equipments. Laboratory scissor jacks are lifting stages for beakers, flasks, water baths, stirrer, or other lab tools used to elevate equipment height to the user's needs, usually around 5 to 20 cm. It consists of metal pieces connected together in a scissor ...

5. Scissors mechanism - Wikipedia

   en.wikipedia.org/wiki/Scissors_mechanism

   A scissors mechanism uses linked, folding supports in a criss-cross 'X' pattern. [1] The scissor mechanism is a mechanical linkage system used to create vertical motion or extension. It consists of a series of interconnected, folding supports that resemble the shape of a pair of scissors, hence its name.

6. Lifting equipment - Wikipedia

   en.wikipedia.org/wiki/Lifting_equipment

   Lifting a heavy timber with a block and tackle on a tripod. Lifting equipment , also known as lifting gear , is a general term for any equipment that can be used to lift and lower loads. [ 1 ] Types of lifting equipment include heavy machinery such as the patient lift , overhead cranes , forklifts , jacks , building cradles, and passenger lifts ...

7. These fish are the best and worst for your health, say experts

   www.aol.com/fish-best-worst-health-experts...

   There are good reasons this fish gets a lot of love from health professionals. "Salmon is among the best choices for healthy fish. It's high in omega-3s — fats that help cardiovascular and brain ...