The purpose of this study was to investigate the sound intensity and effect of noise on workmen in the press shops. The subjects were 415 workmen in the press shops 16 factories. Their hearing loss were examined about test frequencies of 250,500,1K, 2K, 4K and 8KHz, respetively. The noise characteristics observed in the factories was 112 dB (A) with the maximum level of 1KHz, And about 32% of 415 workmen seemed to suffer from occupational hard hearing
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