Detailed text transcripts for TV channel - MSNBC - 20100503:08:03:00
Of the blowout preventer, which is above the well thats supposed to close it down in times of emergency which appeared not to work. >> thats the big question. how does that not happen? how does a fail-safe procedure fail? >> i would defer to secretary salazar for follow-on comment. basically its a multi-stage device that sits above the welló head that can cut the pipe, crimp the pipe or put a rubber seal around it. there are various levels that can be actuated. it appeared it didnt acted ate. i...
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