"Type of a component" means components which do not differ in such essential respects as:
6.1.1.1. the manufacturer’s type designation, 6.1.1.2. the intended use (seat upholstery, roof lining, etc.), ...
The metal wires which stretch the lining of the roof and the frames of the sun visors must have a maximum diameter of 5 mm or be able to absorb the energy, as prescribed in Annex III.