If you use a vacuum cleaner brush head for cleaning processing, you can make more dirty carpet looks not so dirty.

如果使用毛刷头的吸尘机进行吸尘处理的话，可以使较脏的地毯看上去不那么脏。

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Fermentation is often one step in a sequence of food processing operations, which may include cleaning, size reduction, soaking, and cooking.

发酵过程通常是一系列食品加工操作中的一道工序，这些加工过程可包括清洗，粉碎，浸泡和烹饪等步骤。

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It fails to factor in marginal expenditures on window-repairing, rug-cleaning, photo-processing, cell phones, sedatives.

它未能计入花在窗口修理，地毯清洗，照片冲印，手机，镇静剂上面的边际成本。

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Under heavy pressure from unions to rule as it did, the administration made its decision following a Labor Department assessment that public sector work, from cleaning streets to processing government forms, qualified as work under the Fair Labor Standards Act.

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Some have only shown traces, which may be the result of meat processing plants not properly cleaning equipment.

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She said trace contamination with other animals - including pig and horse - could take place at abattoirs and processing plants dealing with more than one species "even with thorough cleaning and good hygiene practice".

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