Complex sentence: The waterline main belt of the "Satsuma"-class vessels consisted of Krupp cemented armor that had a maximum thickness of amidships and tapered to a thickness of inches at the ends of the ship.
Split into simpler sentences: The waterline main belt of the "Satsuma"-class vessels consisted of Krupp cemented armor that had a maximum thickness of amidships. It tapered to a thickness of inches at the ends of the ship.