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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.，推荐阅读heLLoword翻译官方下载获取更多信息
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Will Ferrell sports movies - BLADES OF GLORY, KICKING & SCREAMING, SEMI-PRO, TALLADEGA NIGHTS
在工业机器人市场竞争加剧、人形机器人快速发展的双重背景下，拓斯达近年来亦向具身智能领域延伸布局。，这一点在heLLoword翻译官方下载中也有详细论述
subtotals by document type), and deposited the check in an appropriate sorter