Guluna nay traffic signal rules samjhain 😂 | Asim Kamal

Using turn signals is a simple habit that prevents accidents and keeps traffic flowing safely. Always signal before changing lanes or passing another vehicle to let others know your next move and avoid confusion on the road.#DrivingTips #RoadSafety #UseTurnSignal #SafeDriving #LaneChange #Overtaking | Nazim Smart Driving Tips

He Invented the Traffic Light. They Wouldn't Buy It. Meet Garrett Morgan—the Black inventor born to formerly enslaved parents who created two life-saving inventions that changed the world. In 1912, he patented the first practical gas mask (a "safety hood"), which he used heroically in 1916 to rescue trapped workers from a poison-filled tunnel beneath Lake Erie. In 1923, he invented the three-position traffic signal—the yellow light—that's now used worldwide. But here's what history buried: fire