Asphalt paving may be the dirtiest job in construction. Raymond de Vre's solution - and one of the reasons he's been so successful in the business of asphalt paving - is that he keeps it clean.
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机译：沥青铺路可能是最肮脏的建筑工作。 Raymond de Vre的解决方案 - 以及他在沥青铺路业务中如此成功的原因之一 - 是他保持清洁。
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