Quarry Southern Africa November 2018 - Page 36

ENVIRONMENT IN FOCUS Noise and vibration on a busy quarry can cause increased fatigue. FATIGUE, ERGONOMICS AND WORK By Eamonn Ryan Twenty-five years ago, the average quarry had about 120 workers compared to just 20 today. Automation can relieve the workers of repetitive tasks, but it also places more pressure on the remaining workers who now have to be ‘on’ all the time. 36_QUARRY SA| NOVEMBER/DECEMBER 2018