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A whirlpool is a body of rotating water produced by opposing currents or a current running into an obstacle. [ 1 ] [ clarification needed ] Small whirlpools form when a bath or a sink is draining. More powerful ones formed in seas or oceans may be called maelstroms ( / ˈ m eɪ l s t r ɒ m , - r ə m / MAYL -strom, -strəm ).
A Maersk Line reefer container on a semi-trailer truck Containers loaded on a container ship with the refrigeration units visible Interior of a refrigerated container Reefer containers of Maersk Line and Hamburg Süd Reefer sockets used to power reefer containers
In the cooling step on the inside of the refrigerator, the g state particle absorbs energy from ambient particles, cooling them, and itself jumping to the e state. In the second step, on the outside of the refrigerator where the particles are also at an e state, the particle falls to the g state, releasing energy and heating the outside particles.
A large domestic refrigerator stands as tall as a person and may be about one metre (3 ft 3 in) wide with a capacity of 0.6 m 3 (21 cu ft). Refrigerators and freezers may be free standing, or built into a kitchen. The refrigerator allows the modern household to keep food fresh for longer than before.
In 1997, the company was purchased by Goodman Global (now part of Daikin North America), a heating-and-cooling manufacturer which sold it to Maytag (now part of Whirlpool) in 2002. [2] Goodman still owns Amana's air conditioner and furnace division, and Amana home appliances are now owned and manufactured by the Whirlpool Corporation. [3]
Whirlpool Corporation is an American multinational manufacturer and marketer of home appliances headquartered in Benton Charter Township, Michigan, United States. [2] In 2023, the Fortune 500 company had an annual revenue of approximately $19 billion in sales, around 59,000 employees, and more than 55 manufacturing and technology research centers globally.
A pot-in-pot refrigerator, clay pot cooler [1] or zeer (Arabic: زير) is an evaporative cooling refrigeration device which does not use electricity. It uses a porous outer clay pot (lined with wet sand) containing an inner pot (which can be glazed to prevent penetration by the liquid) within which the food is placed.
Kelvinator ad from 1920 Kelvinator refrigerator, c. 1926. The enterprise was established on September 18, 1914, in Detroit, Michigan, United States, by engineer Nathaniel B. Wales, who introduced his idea for a practical electric refrigeration unit for the home to Edmund Copeland and Arnold Goss.