1.48 intambo enayiloni elukiweyo echanekileyo, akukho twist kwaye kulula ukuyigcina.
2.iqokobhe lealuminiyam+icasi yombala ophindwe kabini, akukho oxidation kunye nokuqina, iimvakalelo ezisemgangathweni ezizinzileyo.
3.3 Intlawulo ekhawulezayo, ukhuseleko kunye nokuzinza, inkxaso yeselula kunye nethebhulethi ngokukhawuleza.
4.longer SR uyilo lokhuselo lwezibuko, ukugoba-resistant kwaye yomelele, uzinzile umgangatho onzima.
I-5.izinga eliphezulu lokuvelisa umgangatho kunye nokusebenza kwexabiso elikhulu