Malangizo ogulira ma sweti a ubweya
1, Chongani kukula, mawonekedwe ndi kumva Chongani ubweya thonje kwa mfundo wandiweyani ndi mfundo kwambiri, kusoka zoipa, ulusi owonjezera, mabowo, mipata, zolakwika ndi madontho mafuta, etc. 2, Chongani elasticity wa ribbing pa khafu ndi m'mphepete Itha kuthandizidwa ndi ma cuffs am'manja kapena h ...
Onani zambiri