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We’ve covered inventive ways to recycle a plastic bottle: including turning them into countertops and bedding. Joining the game is Oak Hall Industries, a manufacturer of academic apparel which claims to be the first in its industry to use recycled materials. Greenweaver is Oak Hall’s new line of caps and gowns, so named because the range is made entirely from recycled plastic bottles. The bottles are turned into molten plastic pellets, which are then spun into a soft, breathable polyester fabric. An average of 23 bottles goes into each gown. Estimated costs of the gowns have not yet been published, but Oak Hall hopes to sweep the ceremonial stage with its Greenweaver line by spring graduation 2010. Spotted by: Cecilia Biemann