核技术应用生产经营单位使用放射源的场所和生产放射性同位素的场所，以及终结运行后产生放射性污染的射线装置，应当依法实施退役。
Exhibits pay homage to Ukrainians’ resilience and bring home the reality that war is going on in Europe
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A photographer has captured six planets in one picture as part of a celestial planetary parade.