It soon became apparent, however, that the traditional oil port locations were completely overwhelmed by the explosive rise in tanker dimensions that took place in the 1960s and early 1970s.
Kwakamsinyane kuye kwacaca isithethe samazibuko e-o-yile ngokupheleleyo ethuswe lugqabhuko olukhulu oluvela kwitanki olwenzeka ngo 1960 nasebutsheni bo 1970's.