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The results of measurements of noise levels in the work area. (A four-hour period of overtime worked was 12 hours), the establishment of the area Extruder Process on September 16, 2558, with the average noise level in the work area. However, given the above criteria, the company has improved by installing noise insulation, which makes measuring the volume of December. Is reduced to 85.7 dB (A) of the company. Will continue to install noise insulation more measurement results if the noise level exceeds 87 dB (A) and to conduct a hearing conservation program effectiveness in order to control the volume, origin company. Should take measures to control and prevent hazards from noise. The guidelines are as follows:
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