5.3 Occupational Health and Safety
5.3.1. Volume average eight-hour
measurements of noise levels on average eight hours (overtime four-hour work period to be 12 hours) in the work of six points for measurements during July - December 2558. the first measure, on September 16, 2558 and October 13, 2558 on the second measure on December 17, 2558 the details shown in table 5.3 to 1 to 5.3 to 2 table and Figure 5.3-. Figure 1 to 5.3 to 2
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