The chill of dawn makes metal brittle, and a garage door spring snapping can echo across the driveway like a gunshot

https://garageresource110.zenbloomer.com/posts/garage-door-repair-for-a-shaking-door-after-a-cold-morning-spring-snap

The chill of dawn makes metal brittle, and a garage door spring snapping can echo across the driveway like a gunshot, startling everyone inside the house.