Hei karo i nga raru raru, ka taea e te kaiwhakahaere motuka dc te tango i nga mehua he maha. He tino tikanga whakahaere. I te timatanga me te mutu ki te mahi kia rite ki te whakaritenga whakamahi. I te tiimatanga, ki te whakarite kia kore te mana nekeneke puku whakaputa, na te mea kei te kaweake he pehanga motuhake, te motuka motuka ki te pereti ngaohiko whakakii hauota. A ape i hanga deformation diaphragm ki hauota inflator, ārai whatiwhatinga diaphragm; I roto i te whakapai ake nekeneke pūmana, te putanga o te hiahia ki te āta; Kati te whakamahi i te pūmana motini dc, ki te whakaheke haere i te whakaputanga pūmana motuka. He nui ake i te kaitahuri motuka dc ko te karo i te popoketanga.
Ko te roopu HOPRIO he kaihanga ngaio o te kaiwhakahaere me nga motuka, i whakapumautia i te 2000. Te tari matua o te roopu i Changzhou City, Jiangsu Province.