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A pump is a device used to move fluids, such as gases, liquids or slurries. A pump displaces a volume by physical or mechanical action. One common misconception about pumps is the thought that they create pressure. Pumps alone do not create pressure; they only displace fluid, causing a flow. Adding resistance to flow causes pressure. Pumps fall into two major groups: positive displacement pumps and rotodynamic pumps. Their names describe the method for moving a fluid.

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Articles

Common thief caught in police net at XMU

A 26-year-old man was arrested on the spot while he was stealing a laptop at a doctor’s dormitory in Xiamen University at 5 a.m. Oct. 12, police said on Monday.

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ARTICLES
Common thief caught in police net at XMU
A 26-year-old man was arrested on the spot while he was stealing a laptop at a doctor’s dormitory in Xiamen University at 5 a.m. Oct. 12, police said on Monday.