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The tests used in standards for evaluating smoke alarms were developed back in the 1980s. However, despite changes in building materials since then, smoke alarms remain reliable, says Chagger: "They still respond to all the main fires we get today."
。关于这个话题，同城约会提供了深入分析
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她說，雖然她相信報告確實揭示了某種「真實趨勢」，但外界反應讓她了解到，單靠統計數據仍無法呈現完整圖景。