Vehicles
Why Do Cars Have Mirrors on Both Sides?
Cars have mirrors on both sides to eliminate blind spots on each side of the vehicle, giving the driver a view of traffic that cannot be seen through the rear window alone.
vehiclesblind spots
Vehicles
Why Are Steering Wheels Round?
Steering wheels are round because a circular shape lets the driver rotate them continuously in either direction without repositioning their hands, which is the most practical design for controlling a vehicle.
vehiclesrotation
Vehicles
Why Is the Fuel Door on Different Sides?
Fuel doors appear on different sides because manufacturers make their own design choices about tank placement, and there is no universal rule requiring a standard side.
vehiclesfuel cap placement