3M on noise alert

摘要

One of the most important safety issues the mining industry faces is controlling loud noise.rnThe new 3M? Noise Indicator NI-100 alerts users to potentially dangerous noise levels, helping to identify areas where hearing protection may need to be worn.rnUsers simply clip the Noise Indicator to a shirt or jacket; it's LED delivers a clear indication (red or green flashing LED) when noise levels exceed a potentially hazardous threshold.