One published design, for example, is by a large American company who are proposing a 170,000-ton submarine tanker.
Uyilo olunye olwapapashwayo, umzekelo, lolwenkampani enkulu yaseAmerika eziceba inqanawa yokuthutha ipetroyile yenkwili eneetoni ezilikhulu amashumi asixhenxe amawaka.