Ad cookies are applied to offer readers with pertinent ads and advertising and marketing campaigns. These cookies track readers throughout Web-sites and accumulate data to provide customized ads. Others OthersNguyên t?c th?c hi?n: Nhân viên t?p v? ti?n hành làm s?ch t? trên cao xu?ng d??i th?p, t? ch? xa t?i ch? g?n, b?t ??u th?c hi?n công v