1.Inempahla ye-antioxidant futhi ingasetshenziswa njenge-stabilizer yerabha, insipho, i-hydrocarbons ne-nitrocellulose.
2.Kungokwangempela okuluhlaza kwamakha nama-resin okwenziwa.
I-3.isetshenziswa njengezengezo zabantu abathambisayo, izixazululo, amadayi kanye nezimbobo.
I-4.Isetshenziselwa futhi ukwakheka kwe-desifier yensimu kawoyela kanye nesengezo samafutha emoto.