He mea nui nga rauemi rīno i te ahumahi kawe i runga i o rātou āhuatanga motuhake. Anei ngā kōrero mō ō rātou āhuatanga me ngā tono:
Nga taumata
1. He mana wehi: Ko te rapunga o te alumihiata e tae ana ki te 2.7 g/cm³, ko tētahi wāhanga anake o te toru o te toto. Ko tēnei e whakanui ana i te mana wehi o ngā waka hangatanga. Hei tauira, ka kitea te tinana o te busi alumihiata i runga i te busi toto i te 30% - 40%.
2. He pai rawa te whanonga: Ki te whakaaeae me te whakangungu uru, ka whiwhi te alumihiata i te mana whanonga nui. Hei tauira, ko te alumihiata 6061 e whai ana i te mana whakatupu matenga e rima rau mano pa, e taea ana te tiki i ngā huringa mekaika o ngā waka hangatanga mo te whakamana whanonga.
3. He pai te whakahokihei: Ko te āromanga ka hanga i tētahi kiriwhera uha matatini ki tana urupa, e whakaaetia ana te hāpai i te hāngai me te wai kia kaua e rereke, hei whakaiti i ngā wharaiko o te rereke me ngā utu whakahaere. Ka taea e ngā niho i ngā whenua tai mārama e whakamahia nei te āromanga te whakaiti i ngā wharaiko o te rereke me ngā utu whakahaere.
4.Waeke ki te tārai: He pai rawa te āromanga ki te whakawhanake, ki te whakapuaki, me te tārai. Ka taea e ia e hanga mai i ētahi wāhi pūmau whakarerekē nō te tuku i runga i ngā mahi pērā i te whakataki, te poroiti, te whakapiki, me te tohu, e pāpā noa atu ki ngā hiahia hanga rerekē o ngā kaihīkoi.
5.Nui te whakahoki: Ka waeke te āromanga ki te whakahoki, he nui te āwangawanga (nui atu i te 90%). Ki te whakahoki i te āromanga, ka whakamahia noa i te 5% o te waiwai mo te hanga tuatahitia, e tika ana ki te whanaketanga aroaroao o te mana motuhiko.
6.Pūtake utu: Na te hīkoi o te hunga hanga me te nui ake o te whakato, ka heke iho te utu o te āromanga. Ko tana ahurea haere kino anō hoki e whakaiti i te waiwai me ngā utu whakahaere, otirā he angitū tonu tōna pūtake utu.
Ngā Whakamahi
1.Motokā
1.Ngā wāhanga tinana: Ngā wāhanga o te kāru i roto i te pūtētahi, ngā taka me ngā puapua whakawehi, ko te whiuwhiu tonu e whai wāhi ana. Hei tauira, ko te Tesla Model S kei reira he maha ngā hama whiuwhiu i tōna tinana, mēnā ka hapai i te mana haere me te whanonga.
2.Ngā wāhanga moke: Ko ngā wāhanga moke whiuwhiu pūtētahi, pūtete me ngā rauaoa, ka whakaiti i te mana motuhake o te moke, ka whākaugia te tahutahu urenga, ka whakamahina ai te hīkoi me te oranga pūneihau.
2.Rorohiko
1.Te kauwae rangi: Kei te nui rawa ngā hama whiuwhiu pai-toru i whakamahia hei whakatupu, hei kiri i runga i ngā kauwae rangi o ngā waka rorohiko. Hei tauira, kei roto i te rārangi Boeing 737, ko ngā huinga matā i tata ki te 70% kei reira, ka whakaiti i te mana motuhake me te whakamahinga i te pūneihau, ā, ka tiakina anō hoki te pai-toru.
2.Ngā hiku: E hiahiatia ana ngā hiku i te pai-toru me te whiuwhiu iti, ko te whiuwhiu ka pai noa. Ko tōna hokinga ki te mahi e āhei ai ki te hanga i ngā hiku hikaao.
3.Tīraiti
1.Te tinana tīraiti: Kei te whakamahia ngā hama whiuwhiu pai-toru hei hanga i ngā tinana tīraiti ki te tīraiti hihiko me te tīraiti paetae. Kei te whakamahia tēnei i roto i te rārangi CRH tīraiti hihiko o Ingarangi ki te whakaiti i te mana motuhake, ki te whakapai i te hīkoi me te whakamahitanga o te waea.
2.Ngā mea i roto i te kōwhaiwhai: Ko ngā pou hokomaha me ngā raka moenga kē ka whakatūhia noa iho i te awiwi, nā tana mīhini, tōna nui ki te kite me te pūmau.
4.Moana
1.Waka iti: Kei te whakamahi ngā waka iti, ngā waka motokā me ngā waka hihiko i te awiwi mō tana mīhini me tana ākiaki ki te korerotanga, hei whakatinanatia i te ātāmataratanga me te whakaititia i ngā mahi whakahaere.
2.Ngā wāhi nui o ngā waka: Ki ngā waka nui, pērā i te tuaropuke o ngā waka pororua, kei te whakamahi i te awiwi hei whakaiti i te mana wehi, hei whakapuakitia i te mana kuhu, me te whakapai i te taurite.