Tank trucks are built to look tough and heavy-duty, but one of their most important safety features is also the easiest to overlook. Hanging near the rear bumper, almost dragging along the pavement, is a simple metal chain. Most people glance at it and assume it’s decorative, outdated, or maybe something to keep the truck steady. But that tiny piece of metal quietly prevents disasters every single day.
Wow! Never realized this! Story Of The Day
