Finally, when something is broken and truly needs to be fixed, make sure that the parts being exchanged are as close to the original equipment as possible.

最后，如果有东西损坏并确实需要修复，就要确保新更换的部件尽量接近于原始设备。

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If hardware, software and consulting are delivered by the same outfit, the customer doesn't get caught in the middle of a finger-pointing exercise when something is broken.

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