Hikelok o loʻo i ai le tele o oloa, e aofia ai mea faʻapipiʻi ma mea faʻapipiʻi, oloa maualuga maualuga, oloa mama maualuga, faʻaogaina o valve, masini masini, faʻataʻitaʻiga, faiga faʻapipiʻi muamua, masini faʻapipiʻi ma mea faigaluega.
Hikelok meafaifaaili syphons fa'asologa fa'asologa SY1, SY2.Ole maualuga ole mamafa ole galuega e o'o ile 6,000psig (413 pa).
