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  2. G Scammell & Nephew Ltd v Ouston - Wikipedia

    en.wikipedia.org/wiki/G_Scammell_&_Nephew_Ltd_v...

    G Scammell and Nephew Ltd v HC&JG Ouston [1941] 1 AC 251 is an English contract law case, concerning the certainty of an agreement. It stands as an example of a relatively rare case where a court cannot find some way in which a contract can be made to work.

  3. List of vacuum tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_vacuum_tubes

    Mazda/EdiSwan sold their first tubes for 4-volts AC mains transformer (as opposed to home storage battery) heating with the prefix AC/ (for examples see below). The first beam tetrodes manufactured in the UK in the late 1930s by M-OV , carried a "KT" prefix meaning K inkless T etrode (for examples see above ).

  4. Air Conditioning, Heating and Refrigeration Institute - Wikipedia

    en.wikipedia.org/wiki/Air_Conditioning,_Heating...

    The Air Conditioning, Heating, and Refrigeration Institute (AHRI), formed in 2008 by a merger of the Air-Conditioning and Refrigeration Institute (ARI) and the Gas Appliance Manufacturers Association (GAMA), is a North American trade association of manufacturers of air conditioning, heating, and commercial refrigeration equipment. [1]

  5. List of electronic component packaging types - Wikipedia

    en.wikipedia.org/wiki/List_of_electronic...

    The codes given in the chart below usually tell the length and width of the components in tenths of millimeters or hundredths of inches. For example, a metric 2520 component is 2.5 mm by 2.0 mm which corresponds roughly to 0.10 inches by 0.08 inches (hence, imperial size is 1008).

  6. Vapor-compression refrigeration - Wikipedia

    en.wikipedia.org/wiki/Vapor-compression...

    A representative pressure–volume diagram for a refrigeration cycle. Vapour-compression refrigeration or vapor-compression refrigeration system (VCRS), [1] in which the refrigerant undergoes phase changes, is one of the many refrigeration cycles and is the most widely used method for air conditioning of buildings and automobiles.

  7. File:EUR 2009-251.pdf - Wikipedia

    en.wikipedia.org/wiki/File:EUR_2009-251.pdf

    Commission Regulation (EC) No 251-2009 of 11 March 2009 implementing and amending Regulation (EC) No 295-2008 of the European Parliament and of the Council as regards the series of data to be produced for structural business statistics and the adaptations necessary after the revision of the statistical classification of products by activity (CPA) (Text with EEA relevance)

  8. List of Billboard Adult Contemporary number ones of 1981

    en.wikipedia.org/wiki/List_of_Billboard_Adult...

    Rogers was one of only two artists to have more than one AC number one in 1981, and his eight weeks atop the chart was the most by any artist. The only other act with multiple number ones during the year was Neil Diamond , who had the final number one of 1981 with " Yesterday's Songs ", which held the top spot for the last two weeks of the year.

  9. Ambulance - Wikipedia

    en.wikipedia.org/wiki/Ambulance

    Air conditioning – Ambulances are often fitted with a separate air conditioning system to serve the working area from that which serves the cab. This helps to maintain an appropriate temperature for any patients being treated but may also feature additional features such as filtering against airborne pathogens.