But some container ships with speeds in excess of 30 knots, super-tankers, and large bulk carriers equipped with nuclear propulsion can be in service shortly after the year 2000.
Kodwa ezinye iinqanawa ezizizikhongozeli ezinesantya esingaphezulu okanye esigqithisileyo kumashumi amathathu omlinganiselo wesantya senqanawa, iinqanawa ezinkulu kakhulu zokuthutha ipetroyile, kwakunye nezithuthi mthwalo sambuku ezikhulu ezenziwe ngesazulu esiqhutyelwa phambili zingasetyenziswa kufutshane nje emva konyaka wamawaka amabini.