rtokens: The piece of hull , lifted from the ocean floor by means of several diesel-filled bags , had been stuck about 200 feet ( about 70 metres ) below the water 's surface before it fell , she said .
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tokens: A 20-ton piece of the Titanic 's steel hull , which had been attached by cables to a recovery ship off the coast of Newfoundland , Canada , fell back to the bottom of the sea , said Erin Purcell of Boston-based Reagan Communications that represents two of the ships used in the expedition .
ltokens: Equipment problems and mechanical failure forced a recovery expedition to give up efforts to retrieve a giant slab of the RMS Titanic from the ocean floor , a spokeswoman said on Friday .