The grid is supplied from the firemain through valves that can be controlled either from inside or outside the magazine.
Iintambo zentsimbi ezizisa umbane kummandla wobubanzi obunikelwe ngakowona mlilo unikiweyo phakathi kwesivalo esinokulawulwa zezinye ezisuka ngaphakathi okanye ngaphandle kwisitori sezixhobo.