Wear ear protectors (ear plugs or ear muffs) to preent hearing loss or noise induces deafness when exposed to noise leel aboe 85dB(A).

 
  • 当处在噪音水平高达85分贝或以上时,须戴护耳配备(耳塞或耳罩)以防听觉受损或耳聋。
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