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  2. Elevator - Wikipedia

    en.wikipedia.org/wiki/Elevator

    The American Society of Mechanical Engineers (ASME) has a specific section of Safety Code (ASME A17.1 Section 5.3) which addresses Residential Elevators. This section allows for different parameters to alleviate design complexity based on the limited use of a residential elevator by a specific user or user group.

  3. Chrysler 1.8, 2.0 & 2.4 engine - Wikipedia

    en.wikipedia.org/wiki/Chrysler_1.8,_2.0_&_2.4_engine

    The EBD is a 1.8 L (1796 cc/109.6 cid), under-bored variant of the 2.0 L engine. This engine features a square 83 mm (3.27 in) bore and stroke with a 10.0:1 compression ratio. This engine was built at the Trenton Engine Plant for use in export market (non-US) Chrysler Neons.

  4. Formation (association football) - Wikipedia

    en.wikipedia.org/wiki/Formation_(association...

    In the first international game, Scotland against England on 30 November 1872, England played with seven or eight forwards in a 11–8 or 1–2–7 formation, and Scotland with six, in a 2–2–6 formation. For England, one player would remain in defence, picking up loose balls, and one or two players would roam the midfield and kick the ...

  5. 2 + 2 = 5 - Wikipedia

    en.wikipedia.org/wiki/2_+_2_=_5

    As a theme and as a subject in the arts, the anti-intellectual slogan 2 + 2 = 5 pre-dates Orwell and has produced literature, such as Deux et deux font cinq (Two and Two Make Five), written in 1895 by Alphonse Allais, which is a collection of absurdist short stories; [1] and the 1920 imagist art manifesto 2 × 2 = 5 by the poet Vadim Shershenevich.

  6. Fermat's theorem on sums of two squares - Wikipedia

    en.wikipedia.org/wiki/Fermat's_theorem_on_sums_of...

    Richard Dedekind gave at least two proofs of Fermat's theorem on sums of two squares, both using the arithmetical properties of the Gaussian integers, which are numbers of the form a + bi, where a and b are integers, and i is the square root of −1. One appears in section 27 of his exposition of ideals published in 1877; the second appeared in ...

  7. Fibonacci sequence - Wikipedia

    en.wikipedia.org/wiki/Fibonacci_sequence

    With the exceptions of 1, 8 and 144 (F 1 = F 2, F 6 and F 12) every Fibonacci number has a prime factor that is not a factor of any smaller Fibonacci number (Carmichael's theorem). [57] As a result, 8 and 144 (F 6 and F 12) are the only Fibonacci numbers that are the product of other Fibonacci numbers. [58]

  8. Image sensor format - Wikipedia

    en.wikipedia.org/wiki/Image_sensor_format

    Current M-series sensors are effectively full-frame (crop factor 1.0). 548 mm 2 area Canon's APS-H format for high-speed pro-level DSLRs (crop factor 1.3). Current 1D/5D-series sensors are effectively full-frame (crop factor 1.0). 548 mm 2 area APS-H format for the high-end mirrorless SD Quattro H from Sigma (crop factor 1.35)