@DarcMoughty I had the pleasure of working on a seismic (oil and gas exploration) crew one winter and got to walk past a big vibe vehicle while it was operating.
What a very odd whole body feeling it was, though my knees threatened to give out and I stumbled a fair bit.
en.wikipedia.org/wiki/Seismic_vibrator
Farticle Accelerator🇨🇦
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