1, loaʻa ka ikaika hopena maikaʻi, ke kūpaʻa o ka dimensional maikaʻi, a me ka ʻona ʻole a me ka ʻono ʻole, ke olakino kaiapuni.
2, loaʻa nā waiwai kemika maikaʻi loa a me nā waiwai insulation uila, maikaʻi ka pale ʻana i ka wela, ʻaʻole deformed, ʻaʻole maʻalahi e ʻohi.
3, paʻakikī maikaʻi loa, haʻahaʻa haʻahaʻa wai absorption rate, maikaʻi corrosion kū'ē, pili maʻalahi, lōʻihi lawelawe ola.
4, me nā ʻano kala like ʻole, waiwai i ke ʻano a me ke kala, loaʻa kahi pae maikaʻi o ka nani a me ka pono.
ʻO ia kekahi o nā koho maikaʻi loa no nā faucets waho.
