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Freemake Video Downloader is a crippleware download manager for Microsoft Windows, developed by Ellora Assets Corporation. It is proprietary software that can download online video and audio. [2] [3] Both HTTP and HTTPS protocols are supported. Users must purchase a premium upgrade to remove Freemake branding on videos and unlock the ability to ...
Eric Griffith of PC Magazine named it one of the best Firefox extensions of 2012. [11] Erez Zukerman of PC World rated it 4/5 stars and called it "a valuable tool". [ 12 ] TechRadar rated it 5/5 stars and wrote, "Anyone who wants to watch videos, not only online, but also on the train, in the car or on the plane, is very well served with Video ...
A chain pump is a type of water pump that uses a chain to move water from one place to another. It works on the principle of a continuous loop of chain moving through a series of sprockets, with attached buckets that lift water as the chain passes over the top sprocket and discharge it as the chain reaches the bottom.
The basic working principle of an air-operated double diaphragm pump. Cross-section sketch of diaphragm fuel pump Air-operated double diaphragm pump. A diaphragm pump (also known as a Membrane pump) is a positive displacement pump that uses a combination of the reciprocating action of a rubber, thermoplastic or teflon diaphragm and suitable valves on either side of the diaphragm (check valve ...
If the pump casing becomes filled with vapors or gases, the pump impeller becomes gas-bound and incapable of pumping. [10] To ensure that a centrifugal pump remains primed and does not become gas-bound, most centrifugal pumps are located below the level of the source from which the pump is to take its suction.
The chain pump is type of a water pump in which several circular discs are positioned on an endless chain. One part of the chain dips into the water, and the chain runs through a tube, slightly bigger than the diameter of the discs. As the chain is drawn up the tube, water becomes trapped between the discs and is lifted to and discharged at the ...
The first records of a water screw, or screw pump, dates back to Ancient Egypt before the 3rd century BC. [1] [2] The Egyptian screw, used to lift water from the Nile, was composed of tubes wound round a cylinder; as the entire unit rotates, water is lifted within the spiral tube to the higher elevation. A later screw pump design from Egypt had ...