Dan told the BBC the monitoring and caring for a severely disabled child meant neither he or his partner got much sleep, were exhausted and also had two other children to care for.
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核材料、核设施、其他放射性物质及相关设施的持有或者营运单位应当依法开展安全保卫工作，防范相关盗窃、破坏、擅自接触、非法转移或者其他危害安全的行为，防范核恐怖主义行为。
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