PURPOSE: A submarine, which loads the inserts for preventing impact and rocking, is provided to make many technical interfaces using the wall of a lock pressure resistant hull. ;CONSTITUTION: A submarine comprises a pressure resistant hull. The pressure resistant hull includes one or more locks(8). The lock is perpendicularly arranged. At least one part of the lock is passed through the pressure resistant hull. The lock comprises a lock pressure resistant hull and a moving-depend insert. The moving-depend insert can be unified with the lock pressure resistant hull. The moving-depend insert can be selected from a plurality of different inserts. The inserts are designed using a self-supporting method.;COPYRIGHT KIPO 2011
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