Why Tanker Trucks Have a Chain Dragging Behind Them — And Why It Matters More Than You Think
If you’ve ever driven behind a fuel tanker, you’ve probably noticed a small metal chain dragging along the asphalt. Most people never give it a second thought. Some assume it’s outdated, others think it’s there to steady the truck — but the truth is far more important. That little chain is a lifesaver. Tanker trucks,…