Semitrailer: heavy truck used to transport heavy goods.
Exhaust stack: pipe that expels smoke.
Marker light: lights that indicate the form and dimension of a vehicle.
Hood: cover opening from the body, situated at the front of a vehicle, over the motor.
Bumper: device at the front of the vehicle that protects the body from minor shocks.
Semitrailer: motorless wheeled vehicle meant to be towed.
Truck tractor: motorized wheeled vehicle for towing other vehicles.
Fender: part at the side of the body that covers the wheels.
Door mirror: mirror used for looking backwards.
Siren: apparatus that produces a powerful sound signal.
Wind deflector: apparatus that changes the airflow around a vehicle.