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  2. Stripboard - Wikipedia

    en.wikipedia.org/wiki/Stripboard

    Stripboard is the generic name for a widely used type of electronics prototyping material for circuit boards characterized by a pre-formed 0.1 inches (2.54 mm) regular (rectangular) grid of holes, with wide parallel strips of copper cladding running in one direction all the way along one side of an insulating bonded paper board.

  3. Category:Inline spacing templates - Wikipedia

    en.wikipedia.org/wiki/Category:Inline_spacing...

    [[Category:Inline spacing templates]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:Inline spacing templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character.

  4. Punched card - Wikipedia

    en.wikipedia.org/wiki/Punched_card

    As an aid to humans who had to deal with the punched cards, the IBM 026 and later 029 and 129 key punch machines could print human-readable text above each of the 80 columns. Invalid "lace cards" such as this pose mechanical problems for card readers. As a prank, punched cards could be made where every possible punch position had a hole.

  5. 32 mm cabinetmaking system - Wikipedia

    en.wikipedia.org/wiki/32_mm_cabinetmaking_system

    Shelf where holes are placed with 32 mm distance center-to-center for mounting of shelf supports and individual shelves. The 32 mm cabinetmaking system is a furniture construction and manufacturing principle used in the production of ready-to-assemble and European-style, frameless construction custom cabinets and other furniture.

  6. Hole punch - Wikipedia

    en.wikipedia.org/wiki/Hole_punch

    Three different international-standard two-hole punches. A hole punch, also known as hole puncher, or paper puncher, is an office tool that is used to create holes in sheets of paper, often for the purpose of collecting the sheets in a binder or folder (such collected sheets are called loose leaves).

  7. List of electronic component packaging types - Wikipedia

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

    Low-profile fine-pitch ball grid array : A square or rectangular array of solder balls on one surface, ball spacing typically 0.8 mm; Micro ball grid array : Ball spacing less than 1 mm; Thin fine-pitch ball grid array : A square or rectangular array of solder balls on one surface, ball spacing typically 0.5 mm

  8. Ring binder - Wikipedia

    en.wikipedia.org/wiki/Ring_binder

    The four-hole version has no ISO standard [citation needed]. The distances between holes are 80 millimetres (3.1 in) (3 × 8). The most common type in Canada and the United States is a three-ring system for letter size pages ( 8 + 1 ⁄ 2 by 11 inches or 220 mm × 280 mm), whose size is similar to ISO 216-based A4 size.

  9. Loose leaf - Wikipedia

    en.wikipedia.org/wiki/Loose_leaf

    (The hole thus punched for a discbound loose leaf system is called “香菇孔” (“mushroom hole”) by KW·TriO.) A loose leaf system typically contains specially designed hole punches that can be used to punch holes on any common, standard-size paper so that they can be arranged into the loose leaf system. These hole punches are sold by ...