Foam blocks like this are used to prevent sharp objects from poking through shrink wrap during the heat-induced shrinking process. Block can also be used as a spacer to create an air space between shrink wrap material and the boat. More about Shrink Wrap by Doctor Shrink Wrap-It-Up shrink wrap that provides your boat with 100% protection during the long off-season.
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Extreme negative mechanical phenomena in the zinc and cadmium anhydrous metal oxalates and lead oxalate dihydrate
Desert DryFoM Foam Blocks, Hobby Lobby
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