c â yt h ô n gt r ồ n gmớ i
c ả n hq u a nc â yt h ô n gs a ut h i ế tk ế
h i ệ nt r ạ n gc â yt h ô n gk h uđ ấ tx â yd ự n g
c â yt h ô n gb ị c h ặ tb ỏd ox â yd ự n gc ô n gt r ì n h
c â yt h ô n gt r ồ n gmớ i
c ả n hq u a nc â yt h ô n gs a ut h i ế tk ế
h i ệ nt r ạ n gc â yt h ô n gk h uđ ấ tx â yd ự n g
c â yt h ô n gb ị c h ặ tb ỏd ox â yd ự n gc ô n gt r ì n h