He aha ke ʻano o ka ulu ʻana o ka mākeke o ka metala float flow mika i 2021?
E ulu wikiwiki ana ka loaʻa kālā o ka mākeke o nā metala float flow meters. Ma muli o kāna mau hiʻohiʻona maikaʻi loa, e like me ka paʻakikī kiʻekiʻe, ka hilinaʻi, ka pale ʻana i ka lole, ka ecology huahana, ka nānā ʻana i nā pono waiwai, a me ke kūpaʻa kiʻekiʻe o ka corrosion.
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