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  2. Perforated hardboard - Wikipedia

    en.wikipedia.org/wiki/Perforated_hardboard

    A close-up view of a sheet of pegboard. Perforated hardboard is tempered hardboard which is pre-drilled with evenly spaced holes. The holes are used to accept pegs or hooks to support various items, and perforated hardboards are therefore used for purposes such as tool boards in workshops.

  3. Electronic receipt - Wikipedia

    en.wikipedia.org/wiki/Electronic_receipt

    The e-receipt helps to connect customers to their in-store purchases. Merchants can issue E-receipts using own mechanisms or use external services specialized on electronic payments. Possible ways of distributing the email receipts may be to send an e-mail, an app, a website/web app, a QR-code or a BLE transmit on mobile. The general idea of ...

  4. PHP - Wikipedia

    en.wikipedia.org/wiki/PHP

    As of 21 January 2025 (two months after PHP 8.4's release), PHP is used as the server-side programming language on 75.0% of websites where the language could be determined; PHP 7 is the most used version of the language with 47.1% of websites using PHP being on that version, while 40.6% use PHP 8, 12.2% use PHP 5 and 0.1% use PHP 4.

  5. Mnemonic peg system - Wikipedia

    en.wikipedia.org/wiki/Mnemonic_peg_system

    The peg system is commonly used by Mental Athletes for memory competitions for events like card memorization as well as digit memorization. [3] The peg system has also been applied in a classroom with learning disabled students. The students that used the peg system performed significantly better than the control in both immediate and delayed ...

  6. Purdue Pegboard Test - Wikipedia

    en.wikipedia.org/wiki/Purdue_Pegboard_Test

    The Purdue Pegboard Test is a psychomotor test of manual dexterity and bimanual coordination. [1] The test involves two different abilities: gross movements of arms, hands, and fingers, and fine motor extremity, also called "fingerprint" dexterity. [ 2 ]

  7. Invoice - Wikipedia

    en.wikipedia.org/wiki/Invoice

    An invoice, bill, tab, or bill of costs is a commercial document that includes an itemized list of goods or services furnished by a seller to a buyer relating to a sale transaction, that usually specifies the price and terms of sale., quantities, and agreed-upon prices and terms of sale for products or services the seller had provided the buyer.

  8. Punched tape - Wikipedia

    en.wikipedia.org/wiki/Punched_tape

    This technology was adopted by Charles Wheatstone in 1857 for the Wheatstone system used for the automated preparation, storage and transmission of data in telegraphy. [1] [2] In the 1880s, Tolbert Lanston invented the Monotype typesetting system, which consisted of a keyboard and a composition caster. The tape, punched with the keyboard, was ...

  9. Receipt - Wikipedia

    en.wikipedia.org/wiki/Receipt

    A receipt (also known as a packing list, packing slip, packaging slip, (delivery) docket, shipping list, delivery list, bill of the parcel, manifest, or customer receipt) is a document acknowledging that something has been received, [1] such as money or property in payment following a sale or other transfer of goods or provision of a service.