1.5.3 The inclusion or elimination of components capable of altering the optical effects by reflection, refraction, absorption and/or deformation during operation; a3c0
1.5.3 The inclusion or elimination of components capable of altering the optical effects by reflection, refraction, absorption and/or deformation during operation; a1c0
1.6.3. The inclusion or elimination of components capable of altering the optical effects by reflection, refraction, absorption and/or deformation during operation; a0c0