The current state of knowledge is such that a large tanker having a deadweight capacity of 300,000 tons can be built so that it is just as safe and reliable as a 20,000-ton tanker.
Ubume bangoku bolwazi buthi inqanawa yokuthutha ipetroyile enkulu enobunzima bomthwalo wenqanawa wamakhulu amathathu amawaka eetoni ingakhiwa ukuze ikhuseleke kwaye ithembeke njengenqanawa yokuthutha ipetroyile enamashumi amabini amawaka eetoni.