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2. Jackscrew - Wikipedia

   en.wikipedia.org/wiki/Jackscrew

   A machinist's jack is a miniature screw jack used to support protruding parts of a workpiece or to balance clamping forces on that workpiece during machining operations. Aside from their size, these frequently look no different from the screw jacks used to lift buildings off their foundations.

3. Jack (device) - Wikipedia

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

   A 2.5-ton house jack that stands 24 inches from top to bottom fully threaded out. A house jack, also called a screw jack, is a mechanical device primarily used to lift buildings from their foundations for repairs or relocation. A series of jacks is used and then wood cribbing temporarily supports the structure. This process is repeated until ...

4. Telephone jack and plug - Wikipedia

   en.wikipedia.org/wiki/Telephone_jack_and_plug

   A telephone jack and a telephone plug are electrical connectors for connecting a telephone set or other telecommunications apparatus to the telephone wiring inside a building, establishing a connection to a telephone network. The plug is inserted into its counterpart, the jack, which is commonly affixed to a wall or baseboard. The standards for ...

5. Russia says Trump Ukraine aid cut would be 'death sentence ...

   www.aol.com/news/russia-says-trump-ukraine-aid...

   Russia's deputy U.N. ambassador said on Wednesday any decision by President-elect Donald Trump's incoming administration to cut support for Ukraine would be a "death sentence" for the Ukrainian ...

6. Pumpjack - Wikipedia

   en.wikipedia.org/wiki/Pumpjack

   A diagram of a pumpjack. A pumpjack is the overground drive for a reciprocating piston pump in an oil well. [1] It is used to mechanically lift liquid out of the well if there is not enough bottom hole pressure for the liquid to flow all the way to the surface. The arrangement is often used for onshore wells. Pumpjacks are common in oil-rich areas.

7. Inflation and retail sales data greet a roaring stock market ...

   www.aol.com/finance/inflation-retail-sales-data...

   Small-cap resurgence. Small caps were one of the beneficiaries of the post-Trump election rally. The Russell 2000 small-cap index jumped more than 5% on Wednesday for its best day in nearly two years.

8. Frankfurt follows Bayern with early exit from German Cup in 3 ...

   www.aol.com/frankfurt-follows-bayern-early-exit...

   The top two teams in the Bundesliga are out of the German Cup after Eintracht Frankfurt followed Bayern Munich with an early exit on Wednesday. Frankfurt lost 3-0 at Leipzig, which ended a run of ...

9. Electrical connector - Wikipedia

   en.wikipedia.org/wiki/Electrical_connector

   A jack is a connector that installs on the surface of a bulkhead or enclosure, and mates with its reciprocal, the plug. [36] According to the American Society of Mechanical Engineers , [ 37 ] the stationary (more fixed) connector of a pair is classified as a jack (denoted J), usually attached to a piece of equipment as in a chassis-mount or ...