The way in which it is possible to achieve high speeds with conventional or unconventional ships depends to a very large extent on the progress that is made in the development of propulsion machinery.
Indlela apho inokwenzeka into yokuba kuphunyezwe izantya eziphezulu ngeenqanawa eziqhelekileyo nezingaqhelekanga ixhomekeke kubukhulu benxaxheba yenkqubela phambili eyenziwe kuphuhliso loomatshini abaqhubela phambili.