A construction site is a noisy place, meaning construction workers are subject to loud noise for long periods of time. In fact, 30 million construction workers are exposed to prolonged hazardous noise on a regular basis, and 14% of all construction workers have hearing difficulty because of this. Sound intensity is measured in units called decibels (dBA). The hearing threshold of the human ear is 0 decibels, yet the average person can hear sounds as low as 10 decibels, such as a leaf falling from a tree. While we are able to hear […]
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