In small vessels the vertical keel may project a few inches from the bottom to form a bar keel, which helps to counteract the tendency of the vessel to roll .
Kwiinqanawa ezincinci isiqu senqanwa esime nkqo sisenokuba zi-intshi ezimbalwa ukusuka phantsi ukwenza isiqu senqanawa sebha, nto leyo ekujonganeni nento ethande ukuqheleka yokuqengqeleka kwenqanawa.