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2. Dardick tround - Wikipedia

   en.wikipedia.org/wiki/Dardick_tround

   The Terra-drill is a drill head that combines a traditional drill bit with the SALVO tround. The tround is used to break through hard spots that the drill bit cannot readily penetrate. This version uses four ceramic bullets, which shatter upon impacting the rock, and which in turn are intended to fracture the rock to allow the drill bit to proceed.

3. List of equipment of the Royal Jordanian Army - Wikipedia

   en.wikipedia.org/wiki/List_of_equipment_of_the...

   50 Scorpions received from Belgium in 2001, 4 × AT-14 Kornet-E Ready to launch (upgraded By JERSCO). [20] [35] [36] FV107 Scimitar: 75 Jordan had 75 Scimitar and obtained over 100 Scimitars in a 2006 deal that netted the British $20 million [20] [37] B1 Centauro Italy: Wheeled tank destroyer: 141

4. Rotary steerable system - Wikipedia

   en.wikipedia.org/wiki/Rotary_steerable_system

   Push-the-bit tools use pads on the outside of the tool which press against the well bore thereby causing the bit to press on the opposite side causing a direction change. Point-the-bit technologies cause the direction of the bit to change relative to the rest of the tool by bending the main shaft running through it.

5. Underground rocket - Wikipedia

   en.wikipedia.org/wiki/Underground_rocket

   An underground rocket or rocket drill is a device for rapidly drilling holes through soil and rock of varying composition at rates up to 1 metre per second [1] [2] by utilising supersonic jets of hot gases. It was developed by Russian engineer Mikhail Tsiferov in 1948.

6. Bears interview Mike Vrabel for their head coaching job - AOL

   www.aol.com/bears-interview-mike-vrabel-head...

   The Chicago Bears interviewed former Tennessee Titans coach Mike Vrabel for their head coaching job on Wednesday. The 49-year-old Vrabel led Tennessee to a 54-45 record and three playoff ...

7. Far-left Antifa activists waiting to see Trump actions. How ...

   www.aol.com/far-left-antifa-activists-waiting...

   Buoyed by promised pardons of their brethren for their Jan. 6 crimes and by Trump’s embrace of popular extremist far-right figures, those groups will likely see a resurgence after January ...

8. Boring (earth) - Wikipedia

   en.wikipedia.org/wiki/Boring_(earth)

   The Kola Superdeep Borehole was a similar project of the USSR in the 1970s and early 1980s the USSR attempted to drill a hole through the crust, to sample the Mohorovičić discontinuity. The deepest hole ever drilled failed not because of lack of money or time, but because of rock physics at depth.

9. Today’s NYT ‘Strands’ Hints, Spangram and Answers ... - AOL

   www.aol.com/today-nyt-strands-hints-spangram...

   Move over, Wordle and Connections—there's a new NYT word game in town! The New York Times' recent game, "Strands," is becoming more and more popular as another daily activity fans can find on ...