The allowance for damage to materials in the course of processing is 3%.

在加工过程中，材料的损耗率是3%。

If any defect is found in the materials supplied by you, we will advise you of it immediately, and you will send over replacements in time. The allowance for damage to materials in the course of processing is 3%.

如果发现你们提供的材料有缺损，我们将立刻通知你们。你们应及时更换。在加工过程中，材料的损耗率是3%。