Chithunzi choyamba ndi bollard yodzikweza yokha, masitayelo osiyanasiyana, ena ndi okhazikika, ena amasinthidwa makonda. Chithunzi chachiwiri ndi ma bollards okhazikika ndi ma bollards opindika, opangidwa ndi chitsulo chosapanga dzimbiri kapena chitsulo cha carbon, chomwe chingakhale chamitundu. Chithunzi chachitatu ndi mitundu yosiyanasiyana ya maloko oyimitsa magalimoto ndi ...
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