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 meafaifaaili fa'asologa fa'asologa fa'asologa e ufiufi 2M-201, 2M-202, 2M-203, 2M-204, 2M-205, 2M-206, 2M-207, 3M-301, 3M-302, 3M-303, 5M-501, 5M-501 -502, 5M-503, 5M-504, 2M-201R, 3M-301R, 5M-501R. O le mamafa galue e mai le 6,000psig (413bar) i le 10,000psig (689bar).