Tanks extending from the bottom or inner bottom of a vessel up to or higher than the lowest deck. They are fitted with hatches so that they may be used for cargo when the vessel is loaded in lieu of the ballast water carried when the vessel is "light." They are placed at either end or both ends of the machinery space as deemed necessary.
Iitanki ezinabe ukusuka kumphantsi okanye umphantsi wangaphakathi wenqanawe ukuya okanye ngaphezulu kunomgangatho ongowona uphantsi.