If the newcomers acquire fuel production and reprocessing facilities then the risk of material finding its way into weapons will rise sharply.

如果新兴核国家获取了燃料生产和再加工设施，那么材料流向武器制造的危险将急剧增加。

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In the absence of new production, old weapons must be repaired and upgraded, often using nuclear material recovered from weapons that are being retired.

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One of the things you know is that when people fool with these weapons, they're expensive to build, expensive to maintain, and expensive to secure the material that goes into making the weapons.

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Now, such teams are also called out for hazardous material accidents, weapons of mass destruction and wide-area searches.

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