Gookma rotary vili rig e eseese fa'ata'ita'iga, maualuga le loloto o le viliina mai le 10m i le 90m, vili le lautele e o'o i le 2.5m.O masini uma e faʻapipiʻiina i afi taʻutaʻua, faʻatasi ai ma le malosi malosi, tele torque, faʻatuatuaina ma mautu faʻatinoga.O le masini e talafeagai mo tulaga eleele eseese e pei o le oneone, omea, palapala palapala, backfill land layer, silt layer, maʻa ma matagi maʻa ma isi, faʻafetaui manaoga mo galuega faʻapipiʻi eseese e pei o le vai vai, fale, nofoaafi fesoʻotaʻiga faʻavaa, slope. faaputuga puipuiga, fausiaina o taulaga, fausiaina o tagata lautele, faufale i nuu i tua, faafouga eletise ma fanua fanua ma isi, lautele faaaogaina i fausaga faavae uma e pei o grouting faaputuga, puipui faifai pea, faavae faamalosia etc, talafeagai mo galuega tetele ma laiti faufale.