(c) At the point immediately opposite the point of impact, small fragments of glass may leave the specimen, but the small area thus affected shall expose less than 645 mm² of reinforcing or strengthening material, the surface of which shall always be well covered with tiny particles of tightly adhering glass.
c) Exactement au revers du point d &apos; impact, de petits fragments de verre peuvent se détacher de l &apos; échantillon mais la surface exposée du matériau de renfort doit être inférieure à 645 mm2 et rester recouverte de petites particules de verre bien adhérentes.