The tonnage deck is the upper deck in ships having less than three decks, and the second continuous deck from the bottom in other vessels.
Umthwalo wenqanawa olinganiswe nee-athom ukumgangatho ophezulu, kumgangatho wenqanawa ezingeneno kwisithathu somgangatho, kwaye isibini esiphindiweyo somgangatho osezantsi kunezinye iinqanawa.