1. Fa'alelei faigofie, fa'atulagaina i luma ma mulimuli ane, agavale ma taumatau ma luga ma lalo fa'atonuga, va'alele fa'alogona, nofoa fa'asaga tu'u sa'o, fesuia'i foliga fagu e aunoa ma le mate Angle, faigofie ma vave fetuutuunai; 2. Vaevaega fagu otometi, va'aiga fagu uili fetu masini, faʻamalo lelei le faʻaaogaina o le fagu lava ia mea sese e mafua mai i le fagu e le faʻalelei, faʻaleleia le mautu; 3. Paʻi mata pule, faʻafesoʻotaʻi tagata-masini ma galuega faʻatino aʻoaʻoga, faʻaoga faigofie; 4. Pulea atamai, otometi photoelectric tracking, otometi fa'ailoga igoa galuega, e puipuia le leakage ma fa'aigoa otaota; 5. Soifua maloloina malosi, e masani ona faia i le u'amea u'amea ma alumini sinia, tulaga mautu, e tusa ai ma manaoga GMP gaosiga.