By protecting the fish they are cleaning from being bitten by the female cleaners, the male cleaners keep the client from leaving the cleaning station.

为了不让母鱼咬伤正在清洁的鱼，公鱼会把客户留在清洁服务站内。

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The waste water was piped up from the sub-stations to the central station for cleaning.

污水通过管道从分站向上输送到总站去净化。

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This is an experience report on over ten years chemical cleaning of high pressure feed water heater at Shanghai Baoshan Power Station.

这是一篇上海宝钢自备电厂十年来，高压给水加热器的化学清洗的情况报告。

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Hazardous-materials technicians called to the station determined that the man had sprayed cleaning solution in the air.

CNN: Subway checked for hazardous material; none found

Relatives told the station that the couple had moved into the house only recently, and spent Friday night cleaning carpets and painting walls to prepare for the new baby.

CNN: Kentucky house fire kills 2 adults, 5 children