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Dura 21 creating longer tool life through cryogenics

infomine - mining equipment and supplier news | September 23, 2009 | 4:29 pm

By: Nick Stewart Dave Dillon, Dura 21's director of research and development, handles a bucket tooth which has been cut in half and cryogenically prepared. (Photo by Nick Stewart) Caked in layers of ice and frost, various pipes carry liquid...

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