Renminbi would be worn down to mutilated currency after many circulations.

人民币在多次参与流通后，必然会受到磨损，变为残损货币。

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The mutilated currency would not only damaged Renminbi images and reputation but also pressure its reclamating and cremation.

残损人民币参与流通，既损害了人民币的形象和声誉，又增加了货币回笼和销毁工作的压力。

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Since 1862 the Mutilated Currency Division of the Bureau of Engraving and Printing has pieced together partially destroyed American currency.

ECONOMIST: American currency

With magnifying glasses, tweezers, scalpels and many gallons of disinfectant, the mutilated-currency specialists can spend up to two years analysing a single bill.

ECONOMIST: American currency