1. ʻIke lima, ʻike ʻia ka maikaʻi o ka ʻenehana.
2. Mea pale ahi, palekana kiʻekiʻe
3. Hana maikaʻi a hiki ke hana.
Nā huahana hiki ke hoʻohana ʻia: wati akamai, kūpeʻe lima akamai, nā aniani akamai, headset Bluetooth, etc.
Nā huahana mea kūʻai 3C: nā papa, nā laka uila, nā kaʻa uila, nā kīʻaha wai akamai.Kelepona lawe lima.Ka hoʻouka ʻana i ke kaula ʻikepili, etc.
ʻOihana Lapaʻau: nā mea lapaʻau, nā mea nani, ka lohe ʻana i ka AIDS, ka nānā ʻana i ke koko, ka nānā ʻana i ka naʻau, etc.
Nā polokalamu akamai: nā robots akamai, nā mea ʻike, nā mea paʻa lima, nā drones, nā mea i kau ʻia i ke kaʻa, etc