erneute Kontrolle und Reparatur, durch den Auftraggeber innerhalb von 2 Werktagen einer statistischen Vorkontrolle unterzogen, die folgendes umfasst: ###>a. Each batch of the product delivered by the Contractor shall be subjected, under penalty of losing the right to its return in whole and its recheck and repair, by the Customer within 2 working days to statistical preliminary checks including: