Number (2): Everything in this space must add up to 2. The answer is 2-1, placed horizontally; 1-4, placed vertically.
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。
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The star, who has died at the age of 48, spoke to the BBC in 2003 about his feelings on leaving his best-known role.