They very rapid increase in the volume of liquid and solid bulk cargoes over the last 30 years is one of the results of the extensive industrial concentration and specialisation that has taken place.
Ulwando olukhawulezileyo kumthwalo kwezamanzi nezambuku eziqinileyo zolwandle ngaphaya kwe 30 yeminyaka sesinye seziphumo sobubanzi sokunyamekela ezoshishino nokhetho oluthatha indawo