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2. Drywasher - Wikipedia

   en.wikipedia.org/wiki/Drywasher

   A drywasher is like a highbanker, [clarification needed] since it uses a motor and a form of sluice, but it has no need for water. It drywasher operates by the use of air. [ 1 ] By forcing air to flow up through the material as it moves down the sluice, the heavier materials, like gold , will stay at the bottom and get trapped by the riffles ...

3. Sluice - Wikipedia

   en.wikipedia.org/wiki/Sluice

   A sluice gate. A sluice (/ s l u s / SLOOS) is a water channel containing a sluice gate, a type of lock to manage the water flow and water level. It can also be an open channel which processes material, such as a river sluice used in gold prospecting or fossicking. A mill race, leet, flume, penstock or lade is a sluice channeling water toward a ...

4. Hydraulic mining - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_mining

   A man leans over a wooden sluice. Rocks line the outside of the wood boards that create the sluice. While generating millions of dollars in tax revenues for the state and supporting a large population of miners in the mountains, hydraulic mining had a devastating effect on riparian natural environment and agricultural systems in

5. Placer mining - Wikipedia

   en.wikipedia.org/wiki/Placer_mining

   A long sluice box runs along the mine. [16] The sluice box was used extensively during the California gold rush for larger scale operations. When streams became increasingly depleted, the grizzly and undercurrent variants of the sluice box were developed. The grizzly is a set of parallel bars placed at a 45-degree angle over the main sluice box ...

6. Texans waive Diontae Johnson, who was released earlier by ...

   www.aol.com/texans-waive-diontae-johnson...

   The Houston Texans waived Diontae Johnson Tuesday after the beleaguered receiver — who was released by the Ravens earlier this season after refusing to enter a game — played just two games for ...

7. Gate valve - Wikipedia

   en.wikipedia.org/wiki/Gate_valve

   A gate valve, also known as a sluice valve, is a valve that opens by lifting a barrier (gate) out of the path of the fluid. Gate valves require very little space ...

8. Journal pulls scientific paper that popularized ... - AOL

   www.aol.com/journal-pulls-scientific-paper...

   One of the most notable scientific papers that first popularized hydroxychloroquine as a COVID-19 treatment was retracted from its journal due to ethical and methodological issues. Retractions in ...

9. AOL Mail

   mail.aol.com/?offerId=netscapeconnect-en-us

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!