sentences:  The superstructure amidships was cut down to reduce top-heaviness, new circular funnels were installed, and the conning tower was enlarged.The fighting tops from the masts were removed, and the secondary battery was significantly revised.Four of the 15 cm guns were removed and two 8.8 cm guns were added; most of the 8.8 cm guns were moved from the upper decks into casemates in the main deck.