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| | Safety At Sea - Engineering Challenges |
 | | It has been calculated that to inspect a ship of this size a surveyor might have to climb 9,997 metres (Mount Everest is 8,848 metres high), examine steelwork with an area the equivalent of 1,500 tennis courts, and check 1,200 kilometres of welding - the distance between Copenhagen and Paris. |
 | | "The British Vigilance is a huge structure, not just a big ship: yet the biggest tanker in the world today is nearly twice as large: she is the Jahre Viking, of about 565,000 deadweight tons. |
 | | She is 69 metres wide and 458 metres long: stood on end, she would be 214 metres higher than the Canary Wharf Tower." |
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