To give some idea of how tonnage figures compare, those for a medium cargo steamship of standard construction and about 390 ft long would be roughly as follows.: Displacement would be 11,500.
Ukunika imbono yokuba umthwalo ungakwisazobe se-injini ufaniswe, ezizise- siphakathini semithwalo yezithuthi, umphunga wenqanawa okumgangatho wolwakhiwo okwi390 yeenyawo ubude ungenabugadalala obulandelayo:Uthatho ndawo lungakwi11,500.