Me ka wikiwiki o ke kaʻina hana o ka ʻenehana, ʻoi aku ka nui o ka hoʻohana ʻana i nā valves Kina i ka ʻenekinia, a ʻoi aku ka nui o kona ʻano a me kāna helu. ʻO ke koho ʻana i nā valves Kina e pili pono ana i ka palekana, kūpaʻa a me ka hana pono o nā mea hana ʻoihana, no laila, pehea e kūʻai ai i nā valves Kina me ka maikaʻi maikaʻi a me ka hana paʻa ua lilo i mea hopohopo nui no ka hapa nui o nā mea hoʻohana. E kūkākūkā kēia ʻatikala i nā pilikia maʻamau o ke kūʻai ʻana i ka valve Kina i ka hohonu, a hāʻawi i kekahi mau hopena, me ka manaʻo e hāʻawi i kahi kuhikuhi a me ke kōkua no nā mea kūʻai valve Kina.