In terms of tonnage, however, these two specialist ship types between them account for 81 % of the world merchant shipping tonnage.
Ngokorhwebo ngeenqanawa, ngapha koko, ezinqanawa zimbini zizincutshe phakathi kwazo zibala kanganga mashumi asiphozo ananye eepesenti zomthamo wenqanawa -oyilenganiswe ngeetoni zomhlaba kurhwebo ngeenqanawa.