Umgqomo wesinyithi worhwebo wangaphandle wokurisayikilisha uzimele.
Le setethi yenkunkuma yangaphandle yenziwe ngentsimbi enemibala eqaqambileyo kunye nonyango oluchasene ne-rust; inokumelana nemozulu entle.
Ukuhlelwa okufanelekileyo kwenkunkuma kuhambelana nokukhuselwa kwendalo, ukubonakala okulula, ukudibanisa imibala eyahlukeneyo, ithoni yombala omtsha kunye nendalo, kunye nokudibanisa nokusingqongileyo. Uyilo olunomthamo omkhulu we-four-in-one lugcina indawo exabisekileyo yesiza. Kokubini ngaphakathi nangaphandle, njengezitrato, iipaki, iigadi, ecaleni kwendlela, iivenkile ezinkulu, uluntu kunye nezinye iindawo zikawonke-wonke,
Yenziwe ngentsimbi enganyangekiyo kwi-corrosion, kwaye umphezulu wayo utshizwe ngaphandle ukuqinisekisa ukusetyenziswa okuhlala ixesha elide.