3A ; 3B [Goods to be manufactured; Services [not] preponderant part of obligation];

8A ; 8C [Interpretation of party's statements or other conduct: intent of party making statement or engaging in conduct; Interpretation in light of surrounding circumstances];

9D1 [Usages and practices: parties bound by applicable usages and practices];

38A [Buyer's obligation to examine goods: time for examining goods];

39A2 [Requirement to notify seller of lack of conformity: buyer must notify seller within reasonable time];

40A ; 40B [Seller fails to disclose known non-conformity; Seller loses right to rely on articles 38 and 39 (not applicable in this case)]