Tuʻulaʻau mo le faʻaaogaina o meaola ma manholes.
Faʻamatalaga
Oval ma Oblong o loʻo faʻapipiʻi i le mea e faʻaaogaina ai vaʻalele ma manholes. E leai se tulaga maʻoti
mo lenei ituaiga o kesi. Aʻo faʻatonuina ia tuʻuina atu atoatoafaʻamatalaga manaʻomia. Faʻatasi ai ma totonu
(A * B), lautele (b) ma le mafiafia (s) poʻo se ata tusi
Faʻataʻitaʻiga o faʻataʻitaʻiga
SWG Oval (poʻo le lautele)
A * B * b * s
Lueina: AISI 316
Faatumu: Ata
