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…showed last 75 words of 897 total…from the central government but these are not always followed closely. Some of these circulars are confidential orders or regulations that can only be read by people at or above a certain level. Restrictions on journalism and the free flow of information sometimes make it hard for the central government to understand local conditions in detail. NEPA and the NPC Environment committee send out survey teams to study the implementation of environmental laws and regulations.