Hikelok o loʻo i ai le tele o oloa, e aofia ai mea faʻapipiʻi ma mea faʻapipiʻi, oloa maualuga maualuga, oloa mama maualuga, vaʻavaʻa faʻagasologa, masini masini, faiga faʻataʻitaʻiga, faʻapipiʻi muamua, masini faʻapipiʻi ma mea faigaluega.
Hikelok ultra-maualuga le mama o oloa e aofia ai mea faʻapipiʻi faʻapipiʻi laʻititi, faʻapipiʻi lima umi, mea faʻapipiʻi faʻapipiʻi otometi, faʻamau faʻamaufaʻailoga uamea (VCR faʻapipiʻi), paipa, faʻamau faʻamaufaʻailoga, alavai diaphragm, alavai faʻaitiitia o le mamafa, faamama, siaki valve.
