Do I need to wear ear defenders?
If you plan to work in a noisy environment, ear defenders are essential. Tools like impact drivers, multitools and chop saws can all reach 100 dB, more than enough to damage your hearing over time.
英国标准EN 352是2005年工作规定控制噪声的结果，所有雇主必须确保他们的员工免受其工作地点的过度噪音。在您打算使用的任何耳后卫的en 352标记。