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Comment by ac29

19 hours ago

The spark could have caused an explosion.

I read that was the primary concern and wondered about drilling/piercing techniques that could avoid a spark. Spraying water sounds like the dumbest one but some kind of mud applied or something. CNC machines don’t seem to be light shows but i know very little.

  • My "I have no clue how this works" proposal to minimize the chance of sparking would be to re-purpose a waterjet cutter...