Experts say about two million U.S. workers are exposed to hand-arm vibration on the job and as many as half of them will develop Hand-Arm Vibration Syndrome (HAVS). Here’s a look at what causes HAVS, how to recognize symptoms and how to mitigate the damage.

Noise measurement specialists Cirrus Research are moving in to the vibration detection market for the first time with the launch of its new RevoTM Vibration Meter.