GK atamai aunoa pēhanga booster papu ko te pūnaha supply wai iti, i te mea e tika ana mo te horomanga wai kāinga, te hiki wai puna, pressurization paipa, whakamakuku kari, whakamakuku huawhenua kōtuhi me te ahumahi whakatipuranga.He pai hoki mo te tuku wai ki nga taiwhenua, ahumoana, maara, hotera, wharekai me nga whare teitei.