Nsalu yolumikizidwa ndi kayendedwe ka mpweya wabwino ngati:
1. Kulemera kochepa, zomanga zosavuta komanso kukweza msanga; Palibe kuwonjezeka kwa katundu
2.high mphamvu, yosinthika yobwereketsa, kutsekedwa ndi kukhazikika
3.
4
5. Kukaniza kwakukulu kwa kutentha kwakukulu, kusintha kwa membrane, Abrasion ndi kugwedezeka
6.Mets zachilengedwe zofunikira
Mitundu 7. Izi Mitundu Yogwiritsa ntchito, zigawo za konkriti, kapangidwe kake, kapangidwe kake nkhuni zitha kuwonjezeredwa
