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He huinga ngongo ngongo Kopere (mō te Huri Hopper Dredger)
Ko te huinga ngongo kopere he waahanga nui o te punaha pupuhi kopere i runga i te Trailing Suction Hopper Dredger(TSHD).Kei roto he huinga ngongo ngongo e hono ana ki te punaha pupuhi kopere i runga i te TSHD me te paipa maanu.He mea titoa he mahunga mahunga, he ngongo ngongo-kore (Hose A), he ngongo maanu miro (Hose B) me nga ngongo maanu matua (Hose C me te Hose D), me te hono tere, Ka taea te tere o te Hose Whakatangitangi Kopere. hono ki te momotuhia ranei i te punaha pupuhi kopere.
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Ngongo Motuhake (Ngongo Tueku-a-a-mua / Ngongo Wai Jet)
I tua atu i nga ngongo keri i nga wa katoa, ka whakaputahia e te CDSR nga ngongo motuhake penei i te Pre-shaped Elbow Hose, Jet Water Hose, me etahi atu mo nga tono motuhake.Kei te tuunga ano a CDSR ki te tuku i nga ngongo ngongo me te hoahoa kua whakaritea.
