Āhuahira Hua:
◆ Ko te ara iahiko autō e hangaia ana e te whaihanga rorohiko me te mahi nui, te papa autō kaha me te momi kaha.
◆ Mahinga teitei rauemi ndfeb rite te puna autō, coercivity tiketike, e kore e ngāwari demagnetization, demagnetization 10 tau kore neke atu i te 4%.
◆ Karekau he kohi kaha, te penapena hiko me te tiaki i te taiao, ka rere me te kore kore i roto i te taiao kino.
◆Small rahi, taimaha marama, tāutanga ngāwari.
Kua wehea tenei hua ki nga waahanga 6, nga momo 18, i runga i te rereke o te rahi me te mahi o te whakarōpūtanga.