The methods to implement clean production are put forwarded according to the practice of clean production in Shenyang.

并根据沈阳市清洁生产审计工作的实践，提出实施清洁生产的主要办法与途径。

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The paper analysed the methods, procedures and main results of clean production audit for experimental unit enterprises of clean production demonstration in Shaoxing City.

对绍兴市清洁生产示范项目的试点企业清洁生产审计方法、程序及初步成果作了系统的分析。

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Obama, though, is requiring additional monitoring to better ensure that the production methods are safe, citing federal authority to oversee clean water laws.

FORBES: Can New York and the Nation Frack Safely -- and Profitably?