On a cold morning, a snapped spring can make the garage door seem harmless until it is lifted

https://hot-lodge-c67.notion.site/The-crack-of-a-garage-door-spring-snapping-on-a-cold-morning-may-be-followed-by-a-door-that-hangs-un-3a21f4f3fb0880e3b922c6687ddb1408

On a cold morning, a snapped spring can make the garage door seem harmless until it is lifted, when the missing tension becomes obvious at once.