This is the measure of the total internal volume of a ship reckoned in tons of cubic capacity, and is the usual method of expressing the tonnage of merchant ships.
Le ngumlinganiselo wobunzima ngaphakathi kwenqa-nawe, buphelele, bubalwa ngokwetoni zemyinye we kyubhu, kwaye yindlela eqhelekileyo yokuchaza umthamo wenqanawe yerhwebo.