Gross tonnage is the under-deck tonnage plus the tonnage of between-deck spaces and all permanently closed-in erections above the tonnage deck which are available for cargo, stores or accommodation.
Ubukrwada bomthwalo bungaphantsi komgangatho wemithwalo ephakathi komgangatho wezithuba kunye nangokupheleleyo kovalo olungaphezulu komthwalo womgangatho othi ufumaneke kwizithuthi zemithwalo, evalelwe kwindawo.