New York City Fire Department (FDNY) - Always extinguish incense and candles before leaving a room or going to sleep and place them at least four feet away from all combustibles, including
![Brian Roemmele on X: "The ancient alarm clock. People place a candle on a metal plate to create an alarm clock by inserting a nail into the candle at the desired interval. Brian Roemmele on X: "The ancient alarm clock. People place a candle on a metal plate to create an alarm clock by inserting a nail into the candle at the desired interval.](https://pbs.twimg.com/media/Fdsqs5uUAAAQLRS.jpg:large)
Brian Roemmele on X: "The ancient alarm clock. People place a candle on a metal plate to create an alarm clock by inserting a nail into the candle at the desired interval.
Augusta Kentucky Historic District - Did you know, Before alarm clocks existed, people used nails fixed onto candles to make sure they wake up on time. They knew how to calculate the
![Domqga LED Flickering Flameless Candles, LED Candle Tea Lights Wireless Charging Pollution Free With Charging Base For Weddings - Walmart.com Domqga LED Flickering Flameless Candles, LED Candle Tea Lights Wireless Charging Pollution Free With Charging Base For Weddings - Walmart.com](https://i5.walmartimages.com/asr/1055a35b-7ae8-46aa-af37-33f7f0e2f65a.e4cf832056b37d267e04dcf176367999.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)