ʻO nā mika kahe a me nā kiwi kekahi o nā mea hana maʻamau. Hoʻokomo pinepine ʻia ka flowmeter a me ka valve i ka moʻo ma ka paipu hoʻokahi, a hiki ke ʻokoʻa ka mamao ma waena o nā mea ʻelua, akā ʻo ka nīnau a nā mea hoʻolālā e hana pinepine ai inā paha ka flowmeter ma mua a ma hope paha o ka valve.
Ma keʻano laulā, makemake mākou e hoʻokomo i ka mika kahe i mua o ka valve mana. ʻO kēia no ka mea i ka wā e hoʻomalu ai ka valve control i ke kahe ʻana, ʻaʻole hiki ke pale ʻia i kekahi manawa he liʻiliʻi ka degere wehe a paʻa paha, e maʻalahi ke kumu ʻino i ka pipeline ana o ka flowmeter. Inā hiki ke kaomi maikaʻi ʻole i ka pipeline i kekahi mokuʻāina, maʻalahi ka hāʻule ʻana o ka laina o ka pipeline. No laila, hana mākou i kahi loiloi maikaʻi e like me nā koi o ka pipeline a me nā koi ma ka pūnaewele i ka wā o ka hoʻonohonoho ʻana no ka hoʻonohonoho ʻana a me ka hoʻohana ʻana.
