Puna hononga āhua-S kaha teitei mō ngā mīhini ahuwhenua
Teitei o te ngāwari me te ātete ngenge: Ka whakamahia te maitai puna 65Mn (65 maitai manganese) 60Si2MnA (silicon manganese maitai) kounga teitei rānei, ā, i muri i te tukanga maimoatanga wera pūtaiao (tinei me te whakamahana i te pāmahana waenga), ka whiwhi i te rohe ngāwari tino teitei, te kaha hua me te ātete ngenge, ā, ka taea tonu te pupuri i te mahi mō te wā roa i raro i te whakarerekētanga tauutuutu pinepine.
Putanga taipana tika: Ka taea e te hanganga āhua-S te whakarato i te taipana torsional pumau me te tika, kia mau ai te kume, te kaha tautuhi anō rānei.
Kiato, whai hua hoki: Mā te hanganga piko āhua-S ka nui ake te hurihanga i roto i te wāhi iti, ka ngāwari te tāutanga me te penapena wāhi taputapu.
Pito matau takirua: Ko ngā matau (matau porowhita, matau whakarara, matau kōpikopiko rānei) i hangaia kia ātaahua ki ngā pito e rua, he maha ngā āhua hei whakarite i te hononga pakari me te pono ki te pūwāhi hononga mīhini ahuwhenua, kia kore ai e motu.







