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  2. Key relevance - Wikipedia

    en.wikipedia.org/wiki/Key_relevance

    In locksmithing, the allowable tolerance [3] is decided by the range of minute differences between a key's size and shape in comparison to the size and shape required to turn the tumblers within the lock. Key relevance is the measure of similarity between the key and the optimal size needed to fit the lock, or it is the similarity between a ...

  3. 2025 Formula Winter Series - Wikipedia

    en.wikipedia.org/wiki/2025_Formula_Winter_Series

    The 2025 Formula Winter Series will be the third season of the Formula Winter Series. It is a multi-event motor racing championship for open wheel , formula racing cars regulated according to FIA Formula 4 regulations, based in Spain.

  4. Key (engineering) - Wikipedia

    en.wikipedia.org/wiki/Key_(engineering)

    Square keys are used for smaller shafts and rectangular faced keys are used for shaft diameters over 6.5 in (170 mm) or when the wall thickness of the mating hub is an issue. Set screws often accompany parallel keys to lock the mating parts into place. [3] The keyway is a longitudinal slot in both the shaft and mating part.

  5. Pin tumbler lock - Wikipedia

    en.wikipedia.org/wiki/Pin_tumbler_lock

    The first known example of a tumbler lock was found in the ruins of the Palace of Khorsabad built by king Sargon II (721–705 BC.) in Iraq. [1] Basic principles of the pin tumbler lock may date as far back as 2000 BC in Egypt; the lock consisted of a wooden post affixed to the door and a horizontal bolt that slid into the post.

  6. IT Grade - Wikipedia

    en.wikipedia.org/wiki/IT_Grade

    An IT grade is an internationally accepted code system for tolerances on linear ... .20 250 315 2.5: 4 6 8 12 16 23 32 52 81 130 210 320 ... Using this formula, the ...

  7. Poll: Majority of Americans support Trump's plan to declare ...

    www.aol.com/poll-majority-americans-support...

    (The Center Square) – A majority of Americans support President-elect Donald Trump's plan to declare a national emergency over the border crisis, according to a new poll. Declaring such an ...

  8. 2024 F4 Spanish Championship - Wikipedia

    en.wikipedia.org/wiki/2024_F4_Spanish_Championship

    5 1: 4 2 18 3 272 3 Maciej Gładysz: 5 2 12 12 20 7 4 3 1: 1: 1: 25 Ret 3 15 3 2 5 10 15 7 187 4 Juan Cota 19 12 8 24 11 32† 3 6 31 18 9 22 1: 1 1: 2: 4 2 16 2 1: 186 5 Ernesto Rivera 9 Ret 2 8 1 4 5 4 4 32† 25 6 7 5 20 4 6 Ret 4 4 11 148 6 James Egozi Ret 4 Ret 4 5 18 2 5 3 5 11 14 11 10 6 6 5 6 9 5 2: 143 7 Thomas Strauven 3: 1: 10 3: Ret ...

  9. Formula 4 - Wikipedia

    en.wikipedia.org/wiki/Formula_4

    Formula 4 is the first step out of karting on the FIA Global Pathway, and by design has the least performance of any of the cars in it. Compared to road-legal supercars, Formula 4 cars are less accelerative and have a much lower top speed of approximately 240 km/h; most modern supercars are capable of in excess of 300 km/h. The F4 cars have far ...