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  2. Essential infimum and essential supremum - Wikipedia

    en.wikipedia.org/wiki/Essential_infimum_and...

    As is often the case in measure-theoretic questions, the definition of essential supremum and infimum does not start by asking what a function does at points (that is, the image of ), but rather by asking for the set of points where equals a specific value (that is, the preimage of under ).

  3. Portal (video game) - Wikipedia

    en.wikipedia.org/wiki/Portal_(video_game)

    Portal is a 2007 puzzle-platform game developed and published by Valve.It was released in a bundle, The Orange Box, for Windows, Xbox 360 and PlayStation 3, and has been since ported to other systems, including Mac OS X, Linux, Android (via Nvidia Shield), and Nintendo Switch.

  4. PlayStation Portal - Wikipedia

    en.wikipedia.org/wiki/PlayStation_Portal

    The PlayStation Portal, officially the PlayStation Portal Remote Player, [10] [11] is a handheld gaming accessory for the PlayStation 5 developed by Sony Interactive Entertainment. It was announced on May 23, 2023, and was released on November 15, 2023.

  5. Self-service - Wikipedia

    en.wikipedia.org/wiki/Self-service

    Self-service is the practice of serving oneself, usually when purchasing items. Common examples include many gas stations, where the customer pumps their own gas rather than have an attendant do it (full service is required by law in New Jersey, urban parts of Oregon, most of Mexico, and Richmond, British Columbia, but is the exception rather than the rule elsewhere [6]).

  6. SAP - Wikipedia

    en.wikipedia.org/wiki/SAP

    SAP SE (/ ˌ ɛ s. eɪ ˈ p iː /; German pronunciation: [ɛsʔaːˈpeː] ⓘ) is a German multinational software company based in Walldorf, Baden-Württemberg, Germany.It develops enterprise software to manage business operation and customer relations.

  7. Eurest Support Services - Wikipedia

    en.wikipedia.org/wiki/Eurest_Support_Services

    Eurest Support Services (ESS) is a subsidiary of the catering company Compass Group PLC specializing in harsh-environment large-scale food service and facilities management. Its primary clients are military forces and other security services, major defense contractors, and construction, mining, and oil exploration and production facilities ...