ocusing on ways a nd mea ns of impr oving and upgradi ng work, furt her devel opme nt of "three to split". (A) fully grasp "no unaut horised" created. The t ownshi p "no una uthori sed" create d the existi ng buildi ng "one house hold, one document" survey and file storage work must be unconditional a nd full coverage. Main corri dor lea ding to t he tow n (road, river) village, t he Ce ntral buil