In this issue, I've been asked to revisit the very basic foundation of EDM operations and define the fundamentals of EDM. My apologies to any yawning Graybeards here, who may feel they already know all about this subject, but my editor has reminded me that we have a passel of young'uns and new readers out there and this most-basic of studies needs to be done. We are going to go all the way back and revisit the same 9 stages or slides of the on- and off-time EDM cycle that was originally created by AGIE long ago, and upon which several versions and updates have been used universally for decades by many companies, such as POCO Graphite and EDM writers like myself. Thanks to AGIE for these and more, which you will read more about shortly.
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