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  2. American 21-inch torpedo - Wikipedia

    en.wikipedia.org/wiki/American_21-inch_torpedo

    There have been a number of 21-inch torpedoes in service with the United States. These have been used on ships and submarines of the U.S. Navy . American 21-inch torpedoes are 533 millimeters (21 in) in diameter.

  3. Window deflector - Wikipedia

    en.wikipedia.org/wiki/Window_deflector

    Rear window louvers on a 1970 Lamborghini Miura. Rear window louvers or rear window blinds (German Heckjalousie or Heckscheibenjalousie) is a type of window blind which can be mounted to the rear window of a car.

  4. Seattle Cover 3 defense - Wikipedia

    en.wikipedia.org/wiki/Seattle_Cover_3_defense

    The Seattle Cover 3 is a Cover 3 defense crafted by Seattle Seahawks coaches Pete Carroll and Dan Quinn that helped the team reach Super Bowls in 2013 and 2014, winning XLVIII. [1] The defense used a 4-3 base formation while incorporating 3–4 defensive principles using a hybrid defensive end - linebacker position known as the Leo. [ 2 ]

  5. Jalousie window - Wikipedia

    en.wikipedia.org/wiki/Jalousie_window

    Joseph W. Walker of Malden, Massachusetts, applied for a US patent for a basic louvered window in 1900.He was issued patent no. 687705 on November 26, 1901. [5] A popular hand-cranked glass, aluminum and screen window combination was later designed by American engineer Van Ellis Huff and found widespread use in temperate climates before the advent of air conditioning. [6]

  6. Louver - Wikipedia

    en.wikipedia.org/wiki/Louver

    A louver (American English) or louvre (Commonwealth English; see spelling differences) is a window blind or shutter with horizontal slats that are angled to admit light and air, but to keep out rain and direct sunshine. The angle of the slats may be adjustable, usually in blinds and windows, or fixed, such as in shutters.

  7. Fume hood - Wikipedia

    en.wikipedia.org/wiki/Fume_hood

    Air flow in fume hood demonstrated by dry ice fog. A fume hood is typically a large piece of equipment enclosing six sides of a work area (including a movable sash window or door), the bottom of which is most commonly located at a standing work height (at least 28 to 34 inches (71 to 86 cm) above the floor).

  8. Stevenson screen - Wikipedia

    en.wikipedia.org/wiki/Stevenson_screen

    The interior size of the screen will depend on the number of instruments that are to be used. A single screen may measure 76.5 by 61 by 59.3 cm (30.1 by 24.0 by 23.3 in) and a double screen 76.5 by 105 by 59.3 cm (30.1 by 41.3 by 23.3 in). The unit is either supported by four metal or wooden legs or a wooden post.

  9. Wave-dissipating concrete block - Wikipedia

    en.wikipedia.org/wiki/Wave-dissipating_concrete...

    Tetrapods used to protect a seawall Large interlocked Xblocs (8.0 m 3 or 280 cu ft) in a trial placement. A wave-dissipating concrete block is a naturally or manually interlocking concrete structure designed and employed to minimize the effects of wave action upon shores and shoreline structures, such as quays and jetties.