E whai ana i te punaha whakakaha tōtika, te pātiti pāpaku e tū ana ki te tuarā, te taputapu pakaru māmā, me te āhua māmā ki te tango i te katoa o ngā whakapuru wai. Kua tapiria e te taputapu he tāpokai wai pōpōi 20% hei whakapau i te punaha, ā, kua whakapiria te rārangi whakamāmā i raro i te pouaka whakamāmā pōpōi, e hōhonu ai te rere o te hau ki te 70%, e āwhina ai i te punaha pōpōi kia hau hoki; Kua whakauruhia hoki te punaha taputapu inu hou i te kaha ki te whakauru i te kaha ki te roa ake o te kaha, ā, kua whakauruhia te kaha whakarewa ake ki te tōpito hei whakamahi māmā me te pumau.
Ngā āhua o te mātāpuna tohu:
1.Koiora te punaha whakakaha
2.2 Te taputapu whakakaha noho māmā
3.No te GRACO i kawea mai
4.Punaha whakau teka o hinu hydraulics me te kōpiko whakauru
5.Te taputapu whakauru tuanui A me B
6.Ko te taputapu whakamātau ake i te wā poto Kairaranga Matua: Ko te miihini parakuihi Honda, ko te pōpōi ake i te pōpōi a Graco (Ko te pōpōi Mātāpuna A, Ko te pōpōi Mātāpuna B) pōpōi rua