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1·The insurance policy cover most damage but not fair wear and tear to the machine.

该保险单对大多数损坏投保但不保机器的自然损耗。

2·Seller shall maintain all such goods in good order and condition subject, in the case of tooling, patterns and the like, to fair wear and tear.

卖方应保持在良好的秩序和条件受所有此类货物，在工具，模式和的情况下，公平的磨损。

3·Seller shall maintain such materials in good order and condition subject to fair wear and tear and shall dispose of or return such materials as Buyer directs.

卖方应妥善保存这些材料，但合理损耗除外，并根据买方指示处理或返还这些材料。