题目内容
Every year, about 10 million of the 150 million workers in the European Community are affected by incidents,” accidents” or diseases at work.
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According to UK official statistics, every year about 2000 lives are lost through occupational disease or injury, about 20,000 major industrial injuries occur （e.g. skull fracture, loss of sight） and
影响金属塑性变形的因素有金属本身的性质、变形温度、变形速度等（）
Work is an important determinate of health. It can influence health positively or negatively.
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