1、E tusa ai ma Fa'avasegaga Metotia Gaosia
（1） Paipa Su'esu'e – Paipa Ta'ai Vevela, Paipa Ta'ai Ma'alili, Fa'apa'u Ma'alili, Fa'apa'i Fa'a'ese'ese, Si'a Paipa.
（2） Paipa Uila
（A） E tusa ai ma Faiga Fa'agasologa – Arc Welded Pipe, ERW Pipe (Value Tele, Low Frequency), Kesi Paipa, Ogaumu Paipa
（B）E Fa'aigoa Fa'aigoa – Fa'apa'u Fa'aumiumi, Paipa Fa'aigoa
2、E tusa ai ma le Vaega Fa'avasegaina Fa'atusa
（1） Faigofie-Vaega uamea paipa – Li'o uamea paipa, sikuea u'amea paipa, uamea Oval, tafatolu uamea paipa, uamea paipa Hexagonal, taimane-foliga uamea paipa, uamea uamea Octagonal, Semi-li'o uamea, isi.
（2）O le Lavelave ole Fa'alava uamea Fa'alava – Scalene Hexagonal Pa'u Umea, Lima Fa'apalame Fa'aigoa Fa'apa'u Umea, Fa'apa'u Uamea Fa'alua-Fa'a'au'au, Paipa Umea Fa'alua, Melon-Shaped Steel Tube, Conical Pa'u Uamea, Fa'a'au fa'a'au. , Uati Pipa Uamea, Isi
3、Fa'avasegaina e tusa ai ma le mafiafia o le pa – paipa u'amea manifinifi, pa uamea mafiafia.
4、E ala i le Fa'ai'uga-Fa'aoga Vaega - Paipa ma paipa uamea, paipa uamea mo vevela
Meafaigaluega, Masini mo Alamanuia Fa'aoga Uamea Paipa, Suau'u, Fa'alilo Fa'asao Fa'aaogā Paipa Uamea, Pusa Fa'apa Umea, Paipa Umea Fa'apitoa Fa'apitoa Fa'apitoa, Isi.
Taimi meli: Nov-16-2018
