An amusement park needed to strip and repaint selected runabouts. Subject to harsh sun and the marine environment, the runabouts were removed from water, stripped, painted and promptly returned to service. Maintenance per- sonnel chose to test the Sponge Blasting System to strip 20 to 40-milof marine epoxy from the boats, creating a less-than-one mil profile and causing no further damage to the sensitive gel-coat base. The decision to strip the 40 square foot [13m 2 ] runabouts using Sponge MediaTM abra- sives, with 40-60 Plastic Urea was determined after the following specifica- tions were satisfied: ¦ Low Rebound - Blasting would occur in close proximity to the nearby lake, thus requiring low media ricochet or rebound. Pliant Sponge Media abrasives absorb collision energy, lowering med

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