Admittedly there are ways in which loading and discharge facilities for bulk cargoes can be located on skeleton jetties or on islands built in deep water, but this is much more costly and difficult than for handling oil.
Ngokuvunyiweyo kukho iindlela apho amancedo okulayisha nokuthula imithwalo sambuku anokubekwa ngakumaphahla ebrorho ezingena elwandle ukumisa inqanawa okanye kwiziqithi ezakhiwe emanzini anzulu, kodwa iyabiza okanye inexabiso elikhulu kwaye inobunzima kunokuphatha i-oyile.