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Ask The Experts—Jet nozzle or suction nozzle? Which is best for my highbanker?

I have a highbanker, and I am considering adding a suction piece to make it a combo.

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Ask The Experts—Using classifiers


Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.

Ask The Experts - Need assaying advice


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Q: What's the difference between a header box and a crash box?

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Ask The Experts - Were there insufficient values to continue mining at this site?


Were there insufficient values to continue mining at this site?

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