Aisles and Arrangement of Passenger Seats in Buses.

Wheel Covers and Spare Wheels.

Reverse Gear.

Compressed Gas Systems and Pressure Vessels.

Towing Coupling for Vehicles.

Trailer Support Devices for Semi-trailers and Trailer Supports.

Exhaust Gas Discharge Position.

Audible Signalling Devices.

Speed Limiters - Fitting and Use.

Speed Limiters - Installation and Testing.