shoemaker repairing shoe, crank sewing machine, dzao tribe, fixing, hill tribes, indigenous, man, market, mien dao tribe, mien yao tribe, m&aacute;y may c&ocirc;ng nghi&#x1EC7;p, m&egrave;o v&#x1EA1;c, repairing, shoe machine, shoemaker, zao tribe, &#x7E2B;&#x7D09;&#x6A5F;, &#x7F1D;&#x7EAB;&#x673A;