Some smoke alarms have been designed to be ultra-sensitive. Aspirating devices, for example, constantly suck in air in order to detect even small quantities of smoke in a room. They are often used in commercial settings, including server rooms packed with expensive computer tech.
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农村养老也是薛志龙重点关注的问题。“农村助老餐厅如何实现长效运转，农村高龄、独居、失能等特殊困难老人的相关政策保障如何进一步细化明确等，是我长期关注的领域，我今年也将继续围绕农村养老问题提出建议。”薛志龙说。今年全国两会，他将继续把基层诉求转化为实实在在的建议，将大家的声音带到会场，让乡亲声音听得见、有回应。