Ka mahi te wiri toka i runga i te mātāpono o te kuru pānga.
I te wā e mahi ana, ka mahi te piston i te nekehanga tauutuutu auau teitei, me te pā tonu ki te kakau.
I raro i te mana o te pānga, ka kuru te toka i te mata wiri koi āhua poro, ka whao ki tētahi hohonutanga, ka hanga he poko.
Kia hoki whakamuri te piston, ka huri te drill mā tētahi koki, ā, ka neke whakamua te piston.
Ina pā anō te kakau, ka puta he kohao hou. Ka kutikutia te poraka toka āhua-pā i waenganui i ngā kohao e rua e te kaha whakapae e puta ana i runga i te mata wiri.
Ka pā tonu te piston ki te hiku o te drill, ka whakauru tonu i te hau kōpeke, i te wai pēhanga rānei mai i te kōhao o waenganui o te drill hei tuku i te paru ki waho i te kōhao, ka hanga he kōhao porowhita me te hohonutanga kua whakaritea.
Wā tuku: Hakihea-28-2020
