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  2. Battery nomenclature - Wikipedia

    Battery numbering [ edit] IEC 60086 battery type designation system. Examples of the IEC nomenclature are batteries coded R20, 4R25X, 4LR25-2, 6F22, 6P222/162, CR17345 and LR2616J. The letters and numbers in the code indicate the number of cells, cell chemistry, shape, dimensions, the number of parallel paths in the assembled battery and any ...

  3. Engineering drawing abbreviations and symbols - Wikipedia

    It is numbered with a stylized flag symbol surrounding the number (or sometimes a delta symbol). A general note applies generally and is not called out with flags. 2. Find number: "FN" meaning "find number" refers to the ordinal number that gives an ID tag to one of the constituents in a parts list (list of materials, bill of materials).

  4. NEMA connector - Wikipedia

    NEMA L6 [ edit] NEMA L6 connectors are rated for a maximum of 250 volts. They are intended for two-pole, three wire, line-line-earth (or hot-hot-ground) circuits with a nominal supply voltage of 208 or 240 volts, depending on phase configuration. The L6 connector does not provide a neutral connection.

  5. List of ISO 639-1 codes - Wikipedia

    This table lists all of: ISO 639-1: two-letter codes, one per language for ISO 639 macrolanguage. And some of: ISO 639-2/T: three-letter codes, for the same languages as 639-1. ISO 639-2/B: three-letter codes, mostly the same as 639-2/T, but with some codes derived from English names rather than native names of languages (in the following table ...

  6. PID controller - Wikipedia

    A proportional–integral–derivative controller ( PID controller or three-term controller) is a control loop mechanism employing feedback that is widely used in industrial control systems and a variety of other applications requiring continuously modulated control.

  7. Error Messages in AOL Mail - AOL Help

    Did you find this information helpful? Yes No. Jun 16, 2022

  8. List of boiler types by manufacturer - Wikipedia

    Clarkson thimble tube boiler [15]: the original thimble-tube boiler, using a great many short closed-ended watertubes. Often used for heat-recovery from the exhaust of large Diesel engines. [16] Climax boiler: A vertical water-tube boiler with many long spiral coils around a central steam-and-water drum.

  9. Play Just Words Online for Free -

    If you love Scrabble, you'll love the wonderful word game fun of Just Words. Play Just Words free online!