These took the form of the roll-on/roll-off ships on the one hand and barge carriers on the other hand, which should be regarded as complements to the container ships rather than as competitors to them.
Ezi zithatha uhlobo lokuba iinqanawa ziqhutywa ekuqaleni kohambo ngenqanawa kwaye luphele ekupheleni kolo nambo ngenye indlela, zibe izikhephe ezinesinqe ezibanzi zokuthutha kwelinye icala, ezinokusuka zibizwe njengokuba zizinto ezifunekayo zokufezekisa okanye zokuzalisa kwinqanawa zezikhongozeli ngaphezu kokuba zinokuba zingabakhuphisana nazo kwezoshishino.