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  2. Grade (climbing) - Wikipedia

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

    The V-scale is an open-ended scale that starts at V0 (although a slightly easier "VB" has been used for beginners), and increases in single-digit steps (i.e. V5, V6, V7), and was at V17 in 2023 with Burden of Dreams. The V-scale doesn't consider risk and is purely focused on the technical difficulty of the movements. [2]

  3. List of grade milestones in rock climbing - Wikipedia

    en.wikipedia.org/wiki/List_of_grade_milestones...

    At the highest grades, this can take years as few climbers are capable of repeating these routes. For example, in 2001, Realization was considered the world's first 9a+ (5.15a), however, the first repeat of the 1996 route Open Air , which only happened in 2008, suggested that it was possibly the first 9a+ (5.15a).

  4. Alpine climbing - Wikipedia

    en.wikipedia.org/wiki/Alpine_climbing

    Ueli Steck making a rapid 'alpine style' one-day ascent of North Couloir Direct (VI, Al 6+, M8) a major alpine climbing route on Les Drus [6]. The derived term "alpine style" alludes to the fashion of alpine climbing to be in small fast-moving teams – or even solo – who carry all of their own equipment (e.g. no porters), and do all of the climbing (e.g. no sherpas or reserve teams laying ...

  5. Wikipedia:To scale charts - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:To_scale_charts

    Though each chart uses the same data, the ratio scale chart presents a visual that accurately presents the data. In the above examples, the interval chart shows a magnified subsection of the ratio chart. A common example of this type of interval magnification is used in charting stocks. A chart may indicate severe price swings because the chart ...

  6. List of body armor performance standards - Wikipedia

    en.wikipedia.org/wiki/List_of_body_armor...

    The VPAM scale as of 2009 runs from 1 to 14, with 1-5 being soft armor, and 6-14 being hard armor. [1] Tested armor must withstand three hits, spaced 120 mm (4.7 inches) apart, of the designated test threat with no more than 25 mm (0.98 inches) of back-face deformation in order to pass.

  7. Orders of magnitude (force) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(force)

    Examples of force. The following list shows different orders of magnitude of force. Since weight under gravity is a force, several of these examples refer to the weight of various objects. Unless otherwise stated, these are weights under average Earth gravity at sea level.

  8. Seismic magnitude scales - Wikipedia

    en.wikipedia.org/wiki/Seismic_magnitude_scales

    All magnitude scales retain the logarithmic scale as devised by Charles Richter, and are adjusted so the mid-range approximately correlates with the original "Richter" scale. [8] Most magnitude scales are based on measurements of only part of an earthquake's seismic wave-train, and therefore are incomplete.

  9. Emergency Severity Index - Wikipedia

    en.wikipedia.org/wiki/Emergency_Severity_Index

    [5] Extensive research has been done on the efficacy and applicability of the ESI compared to multiple other triage algorithms and scales, including the Taiwan Triage System (TTS). The ESI has been found to be reliable, consistent, and accurate in multiple studies, languages, age groups, and countries. [4] [1]