Sonic screwdrivers are pretty common among Gearheads. Great for loosening stuck fasteners in all shapes and sizes. Not so good for tightening them again. Also good for detecting subsurface cracks in materials, finding weaknesses in welds, and comes with an onboard wireless connection. Any good Gearhead or mad will have built their own.
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--m(^0^)m-- Wot, no sig?
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--m(^0^)m-- Wot, no sig?