Fitting Foam Earplugs
325.2 هزار بار بازدید -
14 سال پیش
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Learning how to roll down
Learning how to roll down disposable earplugs and fit them correctly is important in achieving good levels of attenuation. This short video provides guidance and training on how best this can be achieved.
14 سال پیش
در تاریخ 1389/09/01 منتشر شده
است.
325,211
بـار بازدید شده