With the rapid increase in the transport requirements for mineral oil over the past 25 years, there have been considerable changes in the tankers employed for this service.
Ngolwando olukhawulezileyo kwimfuno zezithuthi ze-oyile esisimbiwa ngaphaya kweminyaka eyi 25 kukho utshintsho olujongiweyo kwitanki inqanawa eqeshelwe lomsebenzi.