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Posted 8 years ago by HIbol in category: interesting   Comments (0)


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This was originally developed to clean petroleum from sea water because the sand can mix with the oil and it sinks, instead of staying in the surface of the sea
Posted 7 years ago by djflanaldo in category: interesting   Comments (1)


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Posted 8 years ago by boyt in category: interesting   Comments (0)



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Posted 9 years ago by Stew in category: interesting   Comments (0)


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Posted 8 years ago by rogerdanger in category: interesting   Comments (0)