The northern access routes to the North Sea enable ships of up to 500,000 deadweight tons to reach the deep-water ports in this area.
Iindlela azingena kumantla ukuya kulwandle lase mantla luvumela iinqanawa ukuya kumakhulu amahlanu amawaka obunzima bufileyo beetoni ukufumana ubunzulu bamanzi kumazibuko enqanawa kule ndawo.