Since 1945 the size of tankers has increased very considerably and few now built for the overseas trade are of less than 15,000 tons deadweight.
Kangango1945 isayizi yenqanawa yokuthutha ipetroli iye yonyuka ngokolungiselo kwaye ezimbalwa ngoku ziye zokhiwa phesheya kolwandle kurhwebo olungaphantsi kwi15,000 yeetoni ukubulawa kobukhulu.