Eco-tip: Mailing back dead smoke alarms? Turns out it's hard to do
The author has long advised readers to return old smoke alarms to manufacturers. Then he tried doing it himself.
The New York Times5 天
Furniture Fires Are Deadly. New Smoke Alarms Are Better at Catching Them Early.
UL, a nonprofit organization that sets the safety standards for smoke alarms and other products, published a startling video showing two rooms burning side by side: one with largely natural ...