I potu mama mo microelectronics ma vailaʻau vailaʻau, eseese acidic ma alkaline vailaʻau, soli soli, lautele kasa, ma faʻapitoa kasa e masani ona faʻaaogaina pe gaosia i le gaosiga gaioiga; i fualaʻau faʻasoesa, nisi vailaʻau vailaʻau I le gaosiga o vailaʻau oona, vailaʻau malosi ma vailaʻau oona, vailaʻau leaga o le a lafoa pe faʻasusu foʻi i totonu o le potu mama. O le mea lea, o le gaosiga o gaioiga meafaigaluega poʻo taualumaga e ono faʻatupuina eseese mea leaga, kasa poʻo pefu i le potu mama mo le gaosiga o luga oloa Seti i le lotoifale faʻamamaina masini poʻo potu atoa faʻaaluina masini. E tusa ai ma le ituaiga o otaota kesi faʻamatuʻuina i le taimi o le gaosiga gaioiga, o le faʻaaogaina masini (polokalama) mafai ona matua vaevaeina i ituaiga nei.
(1) Faʻavaʻa lautele faiga
(2) Polokalama faʻaaluina kesi kasa
(3) Faʻamama kasa kesi
(4) Alkaline kasa faʻaaluina faʻamalama
(5) Masini vevela faʻaaluina kasa
(6) Faʻamamaina faʻaputuga o loʻo iai le efuefu
(7) Faʻapitoa kesi faʻasologa faiga
(8) Faʻaleagaina leaga ma oona meaʻai i le faʻatinoina o vailaʻau