Paila paipa fa'a'olo
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Paipa Fa'a'oloa Fa'apalapala Tasi-Ta'atasi
Fa'aulu puipui tasi: PVC o le mea mata'utia autu, lea e faia i le extrusion blow molding. O se oloa na fausia i le 1970s. O totonu ma fafo luga ole paipa corrugated tasi-puipui e corrugated. Talu ai o le pu o le palasitika oloa paipa paipa o loʻo i totonu o le ala ma faʻalautele, e faʻatoʻilaloina lelei le drawbacks o oloa mafolafola mafolafola perforated e faigofie ona poloka ma afaina ai le aafiaga o alavai. O le fausaga e talafeagai, ina ia lava le compressive ma le aʻafiaga o le paipa.
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Paipa fa'a'oloa palasitika puipui fa'alua
Paipa fa'a'au fa'alua puipui: o se ituaiga paipa fou ma puipui i fafo annular ma puipui totonu lamolemole. E masani ona faʻaaogaina mo le tele o le tuʻuina atu o le vai, faʻaogaina o le vai, alavai, lafoaia o lapisi, faʻafefe, faʻaleleia o le alalaupapa, faʻafefe o laʻu, faʻamaʻi fanua faʻatoʻaga ma isi mea i lalo ole 0.6MPa. O le lanu puipui i totonu o pa puipui lua e masani ona lanumoana ma uliuli, ma o nisi ituaiga o le a faʻaogaina samasama.