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  2. Folding table - Wikipedia

    en.wikipedia.org/wiki/Folding_table

    A 16th-century English folding table. The history of the folding table may date back as far as ancient Egypt. By the Colonial and Victorian eras, the tables were common. [1] During the 20th century, folding tables became an inexpensive item manufactured and sold in large quantities. In the 1940s, Durham Manufacturing Company was marketing a ...

  3. Duct (flow) - Wikipedia

    en.wikipedia.org/wiki/Duct_(flow)

    Round duct is made using a continuous spiral forming machine which can make round duct in nearly any diameter when using the right forming die and to any length to suit, but the most common stock sizes range evenly from 4" to 24" (10-60 cm) with 6"-12" (15-30 cm) being most commonly used. Stock pipe is usually sold in 10' (300 cm) joints.

  4. Punched card - Wikipedia

    en.wikipedia.org/wiki/Punched_card

    A 12-row/80-column IBM punched card from the mid-twentieth century. A punched card (also punch card [1] or punched-card [2]) is a piece of card stock that stores digital data using punched holes.

  5. Table (furniture) - Wikipedia

    en.wikipedia.org/wiki/Table_(furniture)

    Several geometries of folding table that can be collapsed into a smaller volume (e.g., a TV tray, which is a portable, folding table on a stand) Heights ranging up and down from the most common 18–30 inches (46–76 cm) range, often reflecting the height of chairs or bar stools used as seating for people making use of a table, as for eating ...

  6. Boeing X-40 - Wikipedia

    en.wikipedia.org/wiki/Boeing_X-40

    1. History. First flight. August 11, 1998. (dropped by UH-60 Black Hawk) [1][2][3] The Boeing X-40 Space Maneuver Vehicle is a test platform for the Boeing X-37 reusable spaceplane, built by Boeing Phantom Works. It sought to test the X-37's systems in order to "reduce the cost and risk of future reusable space launch vehicle system."

  7. Picnic table - Wikipedia

    en.wikipedia.org/wiki/Picnic_table

    A picnic table (or picnic bench) is a table with benches (often attached), designed for working with and for outdoor dining. The term is often specifically associated with rectangular tables having an A-frame structure. Such tables may be referred to as "picnic tables" even when used exclusively indoors. Various types of tables have been used ...

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