Ask The Experts
Ask the Experts
April 2012 by Chris Ralph
Q: Graphite spray to prevent sticking when using cast iron moldsAdditional articles that might interest you...
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March 2013
Need some help putting together a BLM proposal.
Need some help putting together a BLM proposal.
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What are these rocks?
What are these rocks?
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• Building a jaw crusher
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Ask The Experts - Help with an assay report
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Hydraulic remnants or just lose material?
Hydraulic remnants or just lose material?
The Portable XRF Gun
November 2012
While there is no metal detector that will see only gold, there is a device that can reliably distinguish gold from lead, copper, iron or other metals. It is an X-Ray fluorescence tester, sometimes called an XRF gun.
While there is no metal detector that will see only gold, there is a device that can reliably distinguish gold from lead, copper, iron or other metals. It is an X-Ray fluorescence tester, sometimes called an XRF gun.
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