Ngā Āhuatanga Mekanikiti Rawa Me Te Whakamahi Tūwātata
Kua māia te uira karbona whakapiko tuarangi i te tuku i ngā īnjini meka rereke e whakarite ana i ngā paerewa hou mō te mahi a te matērihia. Ko te tauwāhi tohu 2x2 e waihangatia ana i tētahi hanganga kaupapa e wehe ai ngā kītoitoi tūpono ki runga i te matērihia, e hua ai he kaha tōaitanga tino pai, e noho ana i waenganui i te 3000 ki te 4000 MPa. Kua piki ake tēnei kaha hoki, i te nuinga o te taumaha iti rawa atu, ko te hauwhā anake o te tēra. Ko te tikanga maata o te matērihia e tiaki ana i te pūmahara o te āhua i raro i te kītoitoito, nā reira he mea pai mō ngā whakamahinga e hiahiatia ana he whanonga tika. Ko te maroke o te tauwāhi tuarangi e āwhina ana i ngā mahi hanganga herenga, kaua e ruarua te kaha o te hanganga, e āwhina ana i ngā hoahoa kia waihanga i ngā āhua herenga, āhua herenga i tino uaua ai i mua te waihanga me ngā matērihia takotoranga. Kua torotoro tēnei māmā ki ngā tikanga hangahanga maha, tae atu ki te whakakī i roto i te parahi, te whakapaku, me te whakapipiri i te umu autokiravi, e tuku ana i ngā kaihanga mō ngā huarahi maha hei whakangao i ō rātou herekorega motuhake.