The action of such vertical area, or deadwood, is to apply a sideways force, and hence a correcting moment, as soon as the ship starts to yaw.
Isenzo sendawo ethetyaba okanye ukufa kwesikhuni kukubeka amacala anamandla nokuba ngumzuzu wokulungisa kwangoko ukuba inqanawa ziqalisa ukuphuma emgaqweni.