ocusing on way s and mea ns of improving a nd upgra ding w ork, further development of "three to spl it". (A) fully grasp "no unauthorise d" create d. The tow nshi p "no una uthorise d" create d the existi ng buildi ng "one household, one docume nt" survey a nd file stor age work must be unconditional and full cov erage. Mai n corridor leadi ng to the t own (roa d, river) village, the Central bui