他还补充道，海南工地与现在工地是一样的，作业现场均为粉碎石。
He still complements, hainan building site and building site is same now, exercise spot all is powdery clastic rock.
视频上，可以明显看到工地泵车夜间作业的情况。
Video, you can clearly see that the nighttime operation of the site pump.
橙色预警要求建筑工地停止作业，下令工厂临时将污染物排放水平减少30%。
That alert level requires a halt to construction work and orders factories to temporarily reduce emissions by 30%.
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