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2. Drum (container) - Wikipedia

   en.wikipedia.org/wiki/Drum_(container)

   Drum pumps on drums. Steel drums are ubiquitous industrial shipping containers. They are manufactured from sheets of cold rolled steel formed into a tube and welded along the side seam. Stainless steel, nickel, and special alloys are occasionally used. The bottom head is permanently attached by the manufacturer.

3. Drum pump - Wikipedia

   en.wikipedia.org/wiki/Drum_pump

   Drum pump, barrel pump, and transfer pump refer to pumps that are used to empty barrels, tanks, IBCs and drums. [1] Many liquids used on manufacturing and processing plants are delivered in 100 or 200 litre barrels and are too heavy to tip to empty the liquids inside. Drum pumps range from simple siphon based devices to sophisticated highly ...

4. Uline - Wikipedia

   en.wikipedia.org/wiki/Uline

   Uline is a privately held American company that offers shipping and packing supplies, as well as other industrial supplies and bulk business goods. It was founded in 1980 by Richard and Elizabeth Uihlein .

5. Einstein refrigerator - Wikipedia

   en.wikipedia.org/wiki/Einstein_refrigerator

   The Einstein–Szilard or Einstein refrigerator is an absorption refrigerator which has no moving parts, operates at constant pressure, and requires only a heat source to operate. It was jointly invented in 1926 by Albert Einstein and his former student Leó Szilárd , who patented it in the U.S. on November 11, 1930 ( U.S. patent 1,781,541 ).

6. Diaphragm pump - Wikipedia

   en.wikipedia.org/wiki/Diaphragm_pump

   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 ...

7. Hydraulic brake - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_brake

   The continually circulating fluid also removes problems with freezing parts and collected water vapour that can afflict air systems in cold climates. The AEC Routemaster bus is a well-known application of power hydraulic brakes and the successive generations of Citroen cars with hydropneumatic suspension also used fully powered hydraulic brakes ...