There are many valves which, because of their importance to the safety of the ship, can be operated from one or more places in addition to the compartment in which they are situated; those of the magazine flooding arrangements are examples .
Zininzi ivalvu ezithi, ngenxa yokubaluleka kwazo kukhuseleko lwenqanawa, zikwazi ukusebenziseka ukusukela kwindawo okanye ezininzi ukwangeza kwindawo yokuhlala apho zibekwe khona; ezo zamalungiselelo okuphuphumala kwesitora sokugcina izixhobo neembumbulu ziyimizekelo.