1.Isetyenziselwa ukudibanisa incasa yokutya, kwaye isetyenziselwa ikakhulu ukulungisa incasa yeziqhamo kunye neziqhamo zewayini.
I-2.Isetyenziselwa ukuhlanganiswa kwe-stabilizer yokukhanya, i-coating yebakala eliphezulu, i-bactericide, i-solvent ye-organic.