There are two main types of smoke alarm tech, says Raman Chagger, principal consultant at BRE, the Building Research Establishment. Ionisation-based systems use a tiny amount of radioactive material to charge, or ionise, particles in the air which flow between two small plates. Should smoke interrupt that flow of charged particles, the alarm goes off.
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8月11日和8月13日，资金到账之后，骗子立刻操作手机银行进行转账，将银行卡的95万元分三笔转到骗子的银行卡，转账使用的安全工具是：手机交易码+手机盾，一气呵成。
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