These differ in several important respects from those of surface ships, as is shown in figs.3-18 and 3-19, which show the general layout and a midship cross-section of a typical submarine .
Ezi zinto zombini zahluka kwizinto ezininzi ukusukela kwezo zenqanawa ezihamba phezu kwamanzi, njengokuba kuboniswa kwisazobe sesi-3-18 nese-3-19, esibonisa uyilo jikelele kunye nombindi wenqanawa onqamleze icandelo lenkwili eqhelekileyo.