In California, all I needed was to attend a training course -- a lecture, a couple of videos, and a written test.
Drive through the pylons, pick up the loaded pallet, drive back through the pylons, and set the pallet down.
Show my ID, sign some papers, get my picture taken, wait, and walk out with a certification to operate a forklift.
Never had to drive one again.
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The mere fact that science may not yet adequately explain an object, event, or experience does not mean the immediate explanation should automatically default to a conspiratorial, extraterrestrial, paranormal, or supernatural cause.