Past experience has shown that the many efforts that have been made on a national and international level to prevent pollution of the seas have for the most part not been supported by the majority of shipowners or other bodies.
Ulwazi lakudala lubonakalisa ukuba imigudu emininzi eyayenziwe phakathi kwamazwe nakumhlaba wonke ukuqonda ungcoliseko kumalwandle zange incediswe ngabanikazi beenqanawa abaninzi okanye amanye amaqumrhu