| 摘要 |
- The invention relates to the movement of moulded elements at sea -5-. - The subject matter of the invention relates to the principle of flotation of a moulded article, of the container type, in its design principle. - This involves establishing of a pressurised air layer inside the "container-type" article -1- at a pressure which is sufficient to allow flotation of the article -1-, the article -1- being designed to withstand the pressures induced or caused. - Once the device has consequently become buoyant, it becomes possible to steer it. <IMAGE>
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