VENICE, La. -- Tha Hua, a contract worker for the Deepwater Horizon response cleanup, discusses an invention he created for the Deepwater Horizon Response, Sept. 4, 2010. Hua invented the "boom eater," a machine that reels in sorbent boom and allows for more efficient cleanup process and time management. U.S. Coast Guard audio by Petty Officer 3rd Class Charly Hengen and Petty Officer 3rd Class Angela Henderson.