1. Salelá vinaigre mpe bicarbonate de soude .
Esengeli kaka osangisa vinaigre mpe bicarbonate de soude, na nsima pakola yango na plaque ya aluminium mpe opangusa yango na malɛmbɛ na brɔsi.
2. Salelá jus ya citron mpe mungwa:
Esengeli kaka osangisa jus ya citron na mungwa, sima o pakola yango na plaque ya aluminium mpe opangusa yango na malembe na brosse.
3. Salelá papier aluminium mpe mai ya sabuni .
Osengeli kaka kobalusa papye ya aluminium na ba boule, na nsima kozindisa yango na mai ya sabuni mpe kopangusa na malɛmbɛ likoló ya plaque ya aluminium.
4. Salelá électrolyse mpo na kolongola rouille .
Osengeli kozindisa plaque ya aluminium na kati ya électrolyte mpe na nsima kolongola rouille na nzela ya procédé électrolytique. Kasi, tóyeba ete lolenge yango esɛngaka kosalela bisaleli mpe biloko ya sipesiale mpe esɛngami te ete bámeka yango na ndako.
