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Air-Filled Fenders of Plastic for Marine and Off-Shore Oil Drilling and Oil Production Operations; Air-Filled Plastic Bouys for Marine and Off-Shore Oil Drilling and Oil Production Operations; Floats of Expanded Plastic, Such as Cellular Plastic, for Marine and Off-Shore Oil Drilling and Oil Production Operations; Strings of Air-Filled Plastic Floats and Floats of Expanded Plastic Linked Together for Oil Booms for Use in Marine and Off-Shore Oil Drilling and Oil Production Operations