sentences:  The incremental nature of the changes resulted in two classes of battleships that were in most important respects identical, providing the German fleet with a tactically homogeneous group of ten battleships.The design staff considered a variety of other alterations from the basic "Kaiser Friedrich III" design, including replacing four of the secondary battery casemate guns with a pair of turret-mounted guns and reducing the scale of armor protection to increase the top speed by .Though both of these proposals were rejected, the actual thickness of the armor plate was considerably reduced through the adoption of Krupp cemented armor, which had significantly greater protective value compared to early steel manufacturing processes.