1. Faʻavasegaina o mea faʻapipiʻi E tele ituaiga faʻapipiʻi, lea e mafai ona vaevaeina tele i vaega nei e tusa ai ma foliga ma galuega: Bolt: O se mea faʻapipiʻi cylindrical ma filo, e masani ona faʻaogaina faʻatasi ma se nati, e maua ai se faʻamalosi malosi e ala i le fesuiaʻiina o le nati. Fa'amau...
1. Mea: Ordinary carbon structural steel (Q yield strength), maualuga maualuga carbon structural steel (faatasi ai ma se vaega o le carbon mass o le 20/10000), alloy structural steel (faatasi ai ma se vaega mamafa manganese e tusa ma le 2% i le 20Mn2), lafo uamea (ZG230-450 fua e le itiiti ifo nai lo le ...