Rezurok: FTFA:The first answer: Use it to replace sand for industrial blasting. The cob's woody ring is a biodegradable product that is as hard as diamonds, but unlike sand, soft enough to avoid pitting.So it's as hard as diamonds, but softer than sand? Got it, time to stop reading.
SDRR: [i1143.photobucket.com image 600x431]
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