【多选题】
爆破从业人员从事爆破作业活动中，下列哪些行为是禁止的？___
A. 爆破从业人员同时受聘于两个以上爆破作业单位
B. 违反国家有关标准和规范实施爆破作业
C. 扣押爆破从业人员许可证
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答案
ABC
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B. 用一根裸线（可用有刺铁丝）与电爆网路的导电线并排敷设
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为防止发生因雷电引起的早爆事故，应采取哪些安全措施？___
A. 增加填塞长度
B. 采用非电起爆系统
C. 采用电起爆系统时，在爆区要设置避雷或预报系统
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下列哪些规定是临时存放爆破器材作业应当遵守的？___
A. 临时存放处悬挂醒目标志，确需夜间存放的，晚上挂有红灯
B. 炸药与雷管分别堆垛存放，两者相距不少于25米
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