1、
2、
Is personal protective equipment worn ie . Ear plugs , overalls, gloves, masks, goggles?
工人有否配带安全设备:如耳塞 、 手套 、 面罩 、 眼罩等等?
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3、
Conclusion Wearing 3 M 1110 bullet style ear plugs is effective to prevent the hearing loss.
结论3M1110耳塞可以有效地预防听力损伤.
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4、
Ear plugs: Lecturing and threatening may only motivate your child short-term .
耳塞: 教训和威吓只能 短期 地促动孩子.
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