Although there are plans for adapting some ports so that they can handle 250,000 ton or even 300,000 ton ships, the vast majority of ore ports can be reached only by ships of 40,000 to 150,000 tons deadweight.
Nangona kukho amacebo okulungiselela amanxweme athile ukuze akwazi ukumelana namakhulu amabini ananeshumi amahlanu amawaka eetoni okanye nangamakhulu amathathu amawaka eetoni zenqanawa, uninzi lwamanxweme eoyile ekrwade lungafikelelwa ziinqanawa ezinamashumi amane amawaka ukuya kwikhulu elinamashumi amahlanu amawaka eetoni zobunzima bomthwalo wenqanawa.