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srdavis37 8 year s ago
Nice! I've also heard of dry ice "sand-blasting". Dry ice pellets scour away the grime, but evaporate right away into gas. Maybe hose away the grime when finished and viola'! A new building.
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srdavis37 8 year s ago
Nice! I've also heard of dry ice "sand-blasting". Dry ice pellets scour away the grime, but evaporate right away into gas. Maybe hose away the grime when finished and viola'! A new building.