Isebenzisa ilaphu elinomnatha eliphefumlayo kunye nombhobho wentsimbi engenakutyiwa. Olu hlobo lwezinto eziphathekayo lutsha kwaye lukhululekile, i-mesh cloth ephefumulayo ayinamanzi kwaye ingenamlilo, kwaye ipayipi yensimbi engenasici iphathwa nge-electrophoresis, ukuthintela umhlwa kunye nepeyinti yokutshiza ukwandisa ubomi benkonzo yemveliso.