All the mines in the area that did not comply with safety regulations, the spokesman explains, have been closed.

发言人说，该地区所有不服从安全监管的煤矿都已经被关闭。

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In today's world, human beings are the most productive forces, so great importance should be attached to the lives of people, which explains the importance of safety performance of cars.

今天的世界，人类是第一生产力，所以人的生命应得到极大的重视，这说明了汽车安全性能的重要性。

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The Web site for the National Resource Center for Health and Safety in Child Care explains the differences.

护理人员也要进行清扫、清洁、消毒的培训，国家资源中心儿童护理健康安全网解释了这些方面的区别。

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This change started in the early 1990s, when safety certification changes forced airlines to tweak their seats across the craft, explains Vern Alg of Aircraft Interiors Expo.

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Some equipment is donated by medical-supply companies, which explains why somewhere in the forest lives a child called Bertoni, born in the safety of a tent made by a company of the same name.

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"Companies often hold unnecessary inventories as a safety measure because they really don't have an idea about availability at the supplier's end, " explains Chris De Bruin, Metique's chief operating officer.

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