Hāʻawi kā mākou hale hana i ka pahu kaʻa, pale thermal, commutator no ke kaʻa, etc. ʻO ka hoʻolālā kiʻekiʻe, ka waiwai maka, ka hana kiʻekiʻe a me ke kumukūʻai hoʻokūkū ka mea a kēlā me kēia mea kūʻai aku e makemake ai, a ʻo ia hoʻi ka mea hiki iā mākou ke hāʻawi iā ʻoe. Lawe mākou i ke kūlana kiʻekiʻe, ke kumukūʻai kūpono a me ka lawelawe kūpono.