Hikelok o loʻo i ai le tele o ituaiga o oloa, e aofia ai valve meafaigaluega ma mea faʻapipiʻi, oloa maualuga maualuga, oloa mama maualuga, vaʻavaʻa faʻagasologa, masini masini, faiga faʻataʻitaʻiga, faiga faʻapipiʻi muamua, masini faʻapipiʻi ma mea faigaluega meafaigaluega.
Hikelok meafaifaʻaili faʻapipiʻi faʻasologa faʻasologa e ufiufi WMC, WFC, WU, WME, WFE, WUE, W45UE, WUT, WUC, PTW. Ole lapopo'a e amata mai ile 1/8 ile 2 inisi. Ole maualuga ole mamafa ole galuega e o'o ile 10,000 psig (689bar).
