This is not only because the quantities of oil that have to be transported by sea are constantly increasing, but mainly because oil forms a cargo that is extremely easy to handle.
Le nto ayenzeki kuba ubuninzi be-oyile ekufuneka ihanjiswe ngenqanawa bunyuka njalo qha, kodwa yenzeka kuba i-oyile yenza umthwalo olula kakhulu ukuwuphatha.