A. Mea maʻamau maʻamau:
1. Keʻano hoʻomalu lima
2. Pneumatic hoʻomalu palekana mode, ke kinoea a me ka uila nenoai ua mahele ahoʻokaʻawale ʻia e hōʻoia i ka hana palekana o nā mea hana
3. ʻO ka hana wikiwiki leo ʻakomi, ʻōnaehana intercom i loko a i waho o ka hale
4. Ka leo lapaʻau i hoʻopaʻa ʻia i ka manawa a me ka hana hoʻomanaʻo māmā, ka manawa maoli ʻelua-ala intercom
ʻōnaehana ma loko a ma waho o ka hale
5. Pūnaehana hoʻomehana a me ka ea
6. Moena maʻemaʻe, leo, kaʻaahi
7. ʻO nā pūʻulu he nui o nā mea hoʻohana bioelectric interface