Te rereketanga i waengakite ahfwpaipa

(1) fehokotaki pewa submerged
Ko te whakapiri pewa kua rukuhia e whakamahi ana i te waea whangai tonu hei hiko me te whakarewa whakakii.Fehokotaki'anga, i te mata o runga o te rohe fehokotaki'anga, hipoki ki te apa o te rere kowhatu, pewa tahu i roto i te kahu rere o te wahi mutunga o te waea me te rauemi turanga rewa, ka hanga fehokotaki'anga.I raro i te mahi o te wera i roto i te pewa hiko, ka puta te taha o runga o te para whakarewa whakarewa me te tauhohenga whakarewa ki te whakarewa wai.Ko te para e rere ana i runga i te mata o te pati whakarewa whakarewa, tetahi atu ringa, ka taea hoki te mahi i tetahi ringa ki te tiaki i te whakarewa whakarewa, ki te aukati i te parahanga o te hau, me te whakaputa i te tauhohenga tinana me te matū ki te whakarewa whakarewa, te whakapai ake i te tino me nga taonga o te whakarewa maitai;weld whakarewa engari āta Ling.Ka taea te whakamahi i te pewa karekau i raro i te wai i te naianei nui.Ka whakatauritea ki te peera arc a-ringa, ko te painga nui ko te pai o te pai o te pai, te tere o te paihere.Na reira, he mea tino pai mo te tuitui tuitui tika i te porowhita mahi nui.Me te nuinga o nga mahi miihini.Kua whakamahia whānuitia te whakahiato arc i roto i te whakarewatanga o te maitai waro, te rino hanga-iti me te kowiri tira.Ka taea e nga hononga te whakaheke i te reiti whakamahana, ko etahi o nga maitai hanganga kaha, ka taea te whakamahi i te waro waro teitei te pewa kua rukuhia.

(2) fehokotaki'anga tiketike-auau
Ko te rite te auau fehokotaki'anga he pūngao wera ātete totoka.Ko te weariki waiariki parenga, ma te whakamahi i te waa-nui ka hangaia i roto i te waahanga mahi kia whakamahana te mata o te rohe weld ki te rewa, tata ranei ki te ahua kirihou, katahi ka tono (kaore ranei e tono) te kaha whakapouri ki te whakatutuki i te herenga o te whakarewa.Na ko reira he wāhanga totoka he tikanga fehokotaki'anga ātete.Ka taea te wehea te whakapiri ki te whakapiri ki te whakahiato me te whakaurunga o te hiko teitei.Te whakapā atu ki te whiri-a-nui, he iarere teitei na roto i te whakapiri ki te taputapu mahi miihini taputapu mahi taumai.Ko te whakaurunga o te weriweri teitei, te iarere teitei i roto i te taonga mahi ko te hononga hono o te porowhita induction o waho i roto i te mea mahi ka whakaputa i te naianei whakaawe.High-auau fehokotaki'anga ko aa tikanga fehokotaki'anga motuhake kaha, rite ki te hua kei te rite rawa ki te taputapu motuhake.Te tere fehokotaki'anga hua teitei o runga ki te 30m/min.Te nuinga whakamahia mo te hanga o putorino paiherea tui longitudinal tui tōrino ranei.