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Consumer Reports (CR), formerly Consumers Union (CU), is an American nonprofit consumer organization dedicated to independent product testing, investigative journalism, consumer-oriented research, public education, and consumer advocacy.
Different types of pumps are suitable for different applications, for example: a pump's maximum lift height also determines the applications it can be used for. Low-lift pumps are only suitable for the pumping of surface water (e.g., irrigation, drainage of lands, ...), while high-lift pumps allow deep water pumping (e.g., potable water pumping ...
Consumer Reports recently tested 47 bottled waters — including 35 noncarbonated and 12 carbonated options — and found levels of "toxic PFAS chemicals" in several popular brands that were above ...
The UpToDate system is an evidence-based clinical resource. It includes a collection of medical and patient information, access to Lexicomp drug monographs and drug-to-drug interactions, and a number of medical calculators. UpToDate is written by over 7,100 physician authors, editors, and peer reviewers. It is available both via the Internet ...
An axial-flow pump for industrial use. An axial-flow pump, or AFP, is a common type of pump that essentially consists of a propeller (an axial impeller) in a pipe.The propeller can be driven directly by a sealed motor in the pipe or by electric motor or petrol/diesel engines mounted to the pipe from the outside or by a right-angle drive shaft that pierces the pipe.
A means had to be provided, of course, to put the initial charge of water into the boiler (before steam power was available to operate the steam-powered feedwater pump). The pump was often a positive displacement pump that had steam valves and cylinders at one end and feedwater cylinders at the other end; no crankshaft was required.
A visible symptom of the over-extraction of river water is the closing of the Murray Mouth. From October 2002 until 2010 dredging machines operated at the Murray Mouth. [ 12 ] Between 2002 and 2006, two machines operated moving sand from the channel to maintain a minimal flow from the sea and into the Coorong's lagoon system. [ 12 ]
The National Weather Service says a “waterspout is a rotating column of cloud-filled wind that descends from a cumulus cloud over a body of water. They can last from 2 to 20 minutes and move at ...