Unlike the tanker, where the density of the various liquids varies only slightly, so that the amount of space occupied by a ton of cargo is almost constant, there are considerable differences in the densities of dry bulk cargoes, and hence in the cubic required.
Ngokungafaniyo nenqanawa zokuthutha ipetroli apho ubunzima bezinto ezingamanzi ezahlukeneyo kancinci ukwenzela umnyinge wesithuba esithathwe yi- toni yenqanawa ezingisileyo kukwakho iyantlukwano ejongiweyo kubunzima bomthwalo wezambuku ezomileyo nakwimfuneko yekyubhu