Florida tests inventors' sand-cleaning ideas

By MELISSA NELSON 2010-07-02T10:00:46Z PENSACOLA BEACH, Fla. (AP) -- Some inventors came with cotton fiber rolls, others with oil-clumping polymer mixes and one brought a specially designed rake. Their task: clean layers of crude oil and tar from a once-pristine Florida beach and prove they have the right stuff to combat the gummy onshore residue of the massive Gulf oil spill....

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