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  2. MIL-STD-1168 - Wikipedia

    en.wikipedia.org/wiki/MIL-STD-1168

    The Lot number is in the format of: LLH/NNL/NNNH/NNNLL/L. In this example, "L" stands for Letter, "N" stands for Number, and "H" stands for Hyphen. The slashes are to break the Lot Number code into identifiable sections. The first section (LLH or LLL) is the three-symbol Manufacturer’s Identification Symbol, which is two or three letters long ...

  3. ARRL Numbered Radiogram - Wikipedia

    en.wikipedia.org/wiki/ARRL_Numbered_Radiogram

    An ARRL Numbered Radiogram is a brevity code used in composing ARRL Radiograms during times of radio congestion. The code is used to transmit standard messages, sometimes with customized text, very quickly by experienced ARRL National Traffic System (NTS) message traffic handlers. In use, ARRL Numbered Radiograms are messages encoded as one or ...

  4. Recycling codes - Wikipedia

    en.wikipedia.org/wiki/Recycling_codes

    Recycling codes. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process. The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.

  5. Telephone numbers in Zimbabwe - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Zimbabwe

    To call a Zimbabwean number from another country: dial: the international access code (i.e. 00 for most European countries, and 011 from North America), followed by the country code (263), followed by the area code, and then the required subscriber number. [1] Example for calling a subscriber in Harare, Zimbabwe, dail: 00 263 24 2xx xxx (x ...

  6. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    3LR12 (4.5-volt), D, C, AA, AAA, AAAA (1.5-volt), A23 (12-volt), PP3 (9-volt), CR2032 (3-volt), and LR44 (1.5-volt) batteries. This is a list of the sizes, shapes, and general characteristics of some common primary and secondary battery types in household, automotive and light industrial use. The complete nomenclature for a battery specifies ...

  7. Area codes 973 and 862 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_973_and_862

    Area code 973 was created on June 1, 1997, in a split of area code 201, which was the original area code for of all of New Jersey when the North American Numbering Plan was inaugurated for nationwide operator dialing in 1947. In 1958, the numbering plan area of 201 was cut back to the northern half of the state, and in 1991 to just the ...

  8. Telephone numbers in Saint Helena and Tristan da Cunha

    en.wikipedia.org/wiki/Telephone_numbers_in_Saint...

    Country code. +290. International access. 00. Long-distance. n/a. In the island of Saint Helena and the archipelago of Tristan da Cunha, telecommunications are administered by Sure Saint Helena. There is a fixed five-digit number plan, and the country calling code is +290. Ascension Island is also part of the British Overseas Territory of Saint ...

  9. Telephone numbers in Curaçao and the Caribbean Netherlands

    en.wikipedia.org/wiki/Telephone_numbers_in...

    The country code 599 was assigned to the Netherlands Antilles (dissolved in 2010), and is in use by Curaçao and the Caribbean Netherlands (Bonaire, Sint Eustatius and Saba). [2] Aruba and Sint Maarten , also former parts of the Netherlands Antilles, discontinued using the code in 1986 and 2011 respectively.

  10. Rayleigh number - Wikipedia

    en.wikipedia.org/wiki/Rayleigh_number

    The Rayleigh number is defined as the product of the Grashof number (Gr), which describes the relationship between buoyancy and viscosity within a fluid, and the Prandtl number (Pr), which describes the relationship between momentum diffusivity and thermal diffusivity: Ra = Gr × Pr.

  11. Abbreviated dialing - Wikipedia

    en.wikipedia.org/wiki/Abbreviated_dialing

    Abbreviated dialing is the use of a very short digit sequence to reach specific telephone numbers, such as those of public services. The purpose of such numbers is to be universal, short, and easy to remember. Typically they are two or three digits. Carriers refer to the shortened number sequences as abbreviated dialing codes (ADCs).