Shake, Rattle and Roll:

One of my high school buddies and I once built a gigantic police whistle
out of plywood and concrete powered by a 20 horsepower grain-drying
blower. When directed at a shed about some 20 yards away, the shed began
to rattle and shake, falling into a heap of boards after a while.


John
by hammer and hand great works do stand
by pen and thought best words are wrought

--
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