不要忘记工人是人，错误难免，因而需要采取措施和装置来防止他们出错。
Remember that workers are human and not infallible, so devise methods and devices that prevent them from making errors.
为了从根本上防止刷卡出错，在非接触ic卡读卡器硬件设计上加入红外发射接收电路部分。
To prevent the mistakes of operating ICC, infrared transmit-receive circuit is added in the contactless ICC reader design now.
为了防止再犯同样的错误和做出错误的评价，我应该让斯密先生为他自己辩解。
To avoid making the same mistake twice and clinching the award, I should let Mr. Smith speak for himself.
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