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Source: http://wiki.soippo.edu.ua/index.php
cong viec coppha, cot thep, be tong mong va san tret. cong tac nay gom so huu 9 buoc co ban sau: Buoc 1: Dinh vi vi tri cung do cao cua mong cong. Buoc 2: Tien hanh dao va chinh lai lop dat (cat nen) roi dam chat
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