ear muff

Safety requirement: Hardhats, Safety Glasses, Dust Mask , Face Shield , Ear Muff, and etc.

必须佩戴下列个人防护用品: 安全帽 、 安全眼镜、面罩 、 防尘面罩 、 护耳器等.

The experimental results indicated that using of ear plug was more discomfort than using ear muff, but in strong noise environment ( higher than 80dB ( A)), ear plug had better effect on body balance.

研究结果还表明，耳塞对人体的不适感大于耳罩，但是在强噪声（80dB（A）以上）环境下，隔声量大的耳塞的佩带更有利于人体平衡的维持，有利于作业安全。

Give a person the glad eye Safety requirement: Hardhats, Safety Glasses, Dust Mask, Face Shield, Ear Muff, and etc.

向某人送秋波[抛媚眼]必须佩戴下列个人防护用品：安全帽、安全眼镜、面罩、防尘面罩、护耳器等。