"Type of headlamp" means headlamps which do not differ in such essential matters as: 1.1.1. the trade name or mark;
1.1.2. the characteristics of the optical system;
1.1.3. the inclusion of additional components capable of altering the optical effects by reflection, refraction or absorption;
1.1.4. suitability for right-hand or left-hand traffic or for both traffic systems;
1.1.5. ability to provide a dipped beam or a main beam or both.
