The amount of material used for the construction of the hull increases roughly in proportion to the surface area - sides, bottom and deck - and this in turn governs the building cost for the ship.
Umthamo wezinto ezisetyenzisiweyo kulwakhiwo lwesiqu senqanawa unyuke rhabaxa ngokwa lameneyo kumphandle, emacaleni, ngaphantsi kwakunye nomgangatho kwaye lento iphinde ilawule ixabiso lolwakhiwo lwenqanawa.