1.48 ikhebula enayiloni elilukiwe elinembile, alisonti futhi kulula ukuligcina.
2.igobolondo le-aluminium+ikesi elinombala okabili, alikho i-oxidation futhi liqinile, imizwa yekhwalithi engashintshi.
3.3 Ukushaja okusheshayo, ukuphepha nokuzinzile, ukusekela ukushaja okusheshayo kweselula nethebhulethi.
Idizayini yokuvikela imbobo ye-4.inde ye-SR, ukumelana nokugoba futhi ihlala isikhathi eside, ikhwalithi eqinile eqinile.
5.izinga eliphezulu lokukhiqiza izinga kanye nokusebenza kwamanani okuhle kakhulu