"I think we can say there is a big public health problem here," says Professor Andrew Watterson, an occupational health specialist at Stirling University.
For people like professional cooks and firefighters, the problem can force an occupational switch.
对于像职业厨师、消防人员一类人来说，这种障碍问题使他们不得不更换职业。
3
While comparing the occupational injury risk level among enterprises, the critical problem is how to unified quantify the different degree of occupational injuries.