| 3. | After having brushed in the case of moulded plastics reflectors as Classes IA, IB, IIIA, IIIB and IVA the rear face of the retro-reflective device, a cotton cloth soaked in the mixture, defined in Annex 9 shall be applied to the said rear face for one minute. The cotton cloth is then removed and the retro-reflective device left to dry. | a0c0 |