Conservative estimates indicate that the quantities transported by sea will amount to about 200 million tons in 1985 and about 600 million tons in the year 2000.
Ngokwakudala baqikelela ukuba umthamo othuthwa ngolwandle lwakuba yi 200 kwizigidi zetoni ngo 1985 ne 600 yezigidi zetoni ku nyaka ka 200.