Mbale ya njanji ya alonda
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Mbale ya njanji ya Guard ndi khadibodi ya MS corrugated
Ndi mtundu waukulu wa chotchingira cha theka-chitsulo, ndi mbale yotchingira yachitsulo yolumikizidwa wina ndi mnzake ndipo imathandizidwa ndi kapangidwe kopitilira ka mzati. Ili ndi mphamvu yayikulu yoyamwa mphamvu yogundana