Kufotokozera Kwachidule:

Zitsulo zokumbira ndizoyenera padenga ndi pamakoma a zomangamanga. Kuwongoka nthawi zambiri kumatanthauza chitsulo chozungulira chomwe chimamangirira ma purlins achitsulo, mwachitsanzo, mipiringidzo yazitsulo, kupangitsa kukhazikika kwa ma purlins ndikupangitsa ma purlins kukhala ocheperako kusakhazikika komanso kuwonongeka pansi pamphamvu zakunja. Pali ma bulgonal braces (ie 45-degree bending pa ulusi wonongera) ndi ma brace owongoka (mwachitsanzo, onsewo ndi owongoka). Pambuyo mankhwala galvanizing otentha zotsatira antirust zimatheka.