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  2. Grade (slope) - Wikipedia

    en.wikipedia.org/wiki/Grade_(slope)

    8.33%(1 in 12) – Nilgiri Mountain Railway Tamil Nadu, India; 8.0% (1 in 12.5) – Just outside the Tombstone Jct. Station in the Tombstone Junction Theme Park, Kentucky, US. The railroad line there had a ruling grade of 6% (1 in 16.7). 7.85% (1 in 12.7) – Near Washington Street station on the Green Line B branch, Boston, Massachusetts, US. [20]

  3. Roof pitch - Wikipedia

    en.wikipedia.org/wiki/Roof_pitch

    A flat roof includes pitches as low as 1 ⁄ 2:12 to 2:12 (1 in 24 to 1 in 6), which are barely capable of properly shedding water. Such low-slope roofs (up to 4:12 (1 in 3)) require special materials and techniques to avoid leaks. [4] Conventional describes pitches from 4:12 (1 in 3) to 9:12 (3 in 4). [4]

  4. Slope - Wikipedia

    en.wikipedia.org/wiki/Slope

    Slope illustrated for y = (3/2)x − 1.Click on to enlarge Slope of a line in coordinates system, from f(x) = −12x + 2 to f(x) = 12x + 2. The slope of a line in the plane containing the x and y axes is generally represented by the letter m, [5] and is defined as the change in the y coordinate divided by the corresponding change in the x coordinate, between two distinct points on the line.

  5. Grading (earthworks) - Wikipedia

    en.wikipedia.org/wiki/Grading_(earthworks)

    Section through railway track and foundation showing the sub-grade. Grading in civil engineering and landscape architectural construction is the work of ensuring a level base, or one with a specified slope, [1] for a construction work such as a foundation, the base course for a road or a railway, or landscape and garden improvements, or surface drainage.

  6. Wheelchair ramp - Wikipedia

    en.wikipedia.org/wiki/Wheelchair_ramp

    In South Africa 1:12 is the maximum slope unless the difference in level is less than 400mm, in which case it is 1:10. [SANS 10400-S SS2(a)]. In Australia, the National Construction Code requires a wheelchair ramp to have a maximum incline of 1 in 8. This means that for every 8 metres (26 ft 3 in) travelled horizontally, the ramp rises 1 metre ...

  7. 'Magical' Massachusetts boy, 12, identified as victim in ...

    www.aol.com/news/magical-massachusetts-boy-12...

    A 12-year-old boy from Massachusetts was remembered as a "magical" middle school student after he died after an accident at a New Hampshire ski slope. Jack Murrary, 12, was skiing at Cranmore ...

  8. 12/31/23 meaning: What numerology says about the last day of ...

    www.aol.com/news/12-31-23-meaning-numerology...

    12/31/23 meaning: What numerology says about the last day of the year. Lisa Stardust. December 28, 2023 at 8:07 PM. 1 / 2. 12/31/23 meaning: What numerology says about the last day of the year.

  9. Flat roof - Wikipedia

    en.wikipedia.org/wiki/Flat_roof

    Flat roofs, or "low-slope" roofs, are also commonly found on commercial buildings throughout the world. The U.S.-based National Roofing Contractors Association defines a low-slope roof as having a slope of 3 in 12 (1:4) or less. [2] Flat roofs exist all over the world, and each area has its own tradition or preference for materials used.