Ko te putorino porowhita e whakamahia nuitia ana i roto i te hau maori, te hinu, te umanga matū, te umanga hiko, te umanga whakawera, te tuku wai me te ahumahi wai, te whakamahana mamaoa, te hiko hiko hiko paipa maitai, te hiko waiariki, te wai me etahi atu paipa whakawhiti tawhiti-tawhiti me te puranga, te keri, piriti, hanga maitai me etahi atu kaupapa.

I roto i te whakamahi me te tukanga whakaputa o te putorino maitai torino, kua hanga e te tangata te maha o nga tikanga pai me te hanga i nga tikanga whakangao, me te whai waahi nui ki te whakawhanaketanga pumau me te tere o tenei umanga, engari kei te hanga hoki i tenei umanga te arotautanga ki te whanaketanga.Ko te welding arc submerged aunoa he tikanga weriweri hou i hangaia i te tau 1940, a kei mua i te maataki a-ringa, he whakamarumaru para ranei, engari ko tenei toenga ehara ko te paninga hiko kei te rewa mai i te rere o te hiko.Ki te taputapu waea ki te tuku waea me te waea Hurorirori kau, ka hoatu tonu waea fehokotaki'anga, tikanga fehokotaki'anga ko te kai tonu waea pewa whakakā kakā fusible kaporeihana kapi, kia te waea, whakarewa turanga me te wahi o te rere rewa me te whakaetonga ki te hanga i te kōhao, ko te pewa o te parariraa pumau i roto i te kohao o roto, no reira ka kiia ko te pewa kua ruku aunoa.Ka tanumia te pewa ki roto i te rua o roto.Ko te punaha koti kei roto i te kohanga kua whakakiia ki te rewharewha fehokotaki'anga kawe i roto i te putorino ki te paiherea i roto i te mua o te rerekētanga tuarua ko te whakamahi i electrodes, waea, no te mea ka taea e waea tuku tonu;electrode, ka tahuna e matou he electrode me whai i te hoatu he mahunga electrode maka, me te mahi ki te mutu, huri i te hiko i mua i fehokotaki'anga.

Ko taua tikanga whakahiato ki etahi atu tikanga he painga nui mo nga paipa torino, ko te painga tuatahi: tino mohio ki te aunoatanga;Ko te painga tuarua, ko te pewa kua rukuhia i raro i te raima, te whakawhiti wera me te mahi whakamarumaru he ahua kaha, he ahua teitei te kounga o te raima;Tuatoru te painga, na te pewa whakawhanaunga arc kua ruku ki raro i te koti, na reira ka taea e ia te whakamahi i te pai o te hiko o naianei teitei.