Hold a chunck of it with a heavy glove and press it against various
metal surfaces.
Door knobs, chalkrails, file cabinets, downspouts etc.
Try to explain the horrendous SCREECHING sounds that are produced!!!!
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Chuck Britton Education is what is left when
britton@odie.ncssm.edu you have forgotten everything
North Carolina School of Science & Math you learned in school.
(919) 286-3366 x224 Albert Einstein, 1936