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Great Minds: Carl Sagan - Pale Blue Dot [new HD version]


  1. He held a contest for the name of this new course of and gave $50 to individual who|the one that|the one who} coined “Numerical Control” or NC. A CNC electric discharge machine uses highly controlled electrical sparks to control supplies right into a desired form. It additionally be|may also be|can be} referred to as spark eroding, die sinking, spark high precision machining machining or wire burning.


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