Storage of sufficient fresh water to provide for the domestic purposes of a warship's crew throughout any but a very short voyage would constitute an uneconomical use of weight and space.
Ukugcinwa kwemanzi afreshi aweneteye ukukhawulelena nemfuno zubasebenzi basenqanaweni yemfazwe kuhambo elufutshane kungabangela uqoqoshe nyekobunzima nesithuba enqanaweni.