1. He taputapu whatu taumira teitei, he tino tika te ine i te koki;
2. Hanganga whakatikatika-iti tino tika, he whakatikatika pumau me te watea;
3. Hoahoa ergonomic, whakaiti i te ngenge o te mahi a ngā kaimahi;
4. He ngāwari te whakahaere i te atanga pūmanawa, he ngāwari ki ngā kaimahi te ako me te whakahaere;
5. He maha ngā momo ine hei whiriwhiri mā ngā kaiwhakamahi kia rite ki ō rātou hiahia;
6. Whakamātautau puranga aunoa (me whakarite te hanganga uta me te tango aunoa);
7. Te whakaputa pūrongo whakamātautau me te whakarāpopoto i ngā raraunga whakamātautau.
E 20 tau te roangaru e arotahi ana ki te whakarato i ngā hua whatu tino tika.