U.S. Commerce Dept. @CommerceGov
Smoke alarms save lives. According to @NFPA, having working smoke alarms in your home cuts your risk of dying in a fire by 55%. But how do smoke alarms work in the first place? Find out how in the next installment of the @NIST: How Do You Measure It series https://t.co/PoUG2VWIK7 https://t.co/3TJXbWKBCn — PolitiTweet.org