Hunhu uye Hunhu: Hapana kupfava kana tembiricha yakakwira kana kutsemuka kwakanyanya kana kuchitonhora zvakanyanya; inogona kugadzirwa nechimiro chine mativi maviri chekudzivirira kupisa, zvichiita kuti ive yakakodzera kugadzirwa munguva yechando mumapurazi ari munzvimbo dzinotonhora zvakanyanya kuchamhembe; inodzivirira zvakanyanya kutyoka nekukuvadzwa, inokwanisa kutsungirira kukanganiswa nemhepo, sinou, nechimvuramabwe; ine hushamwari kune nharaunda, ine hutsanana, iri nyore kuchenesa, uye haidi kugadziriswa kwakakosha. Chigadzirwa ichi chinoshandiswa zvakanyanya muminda yakaita sechikafu, zvinwiwa, mishonga, optics, electronics, hardware, matoyi, uye zvizoro.
