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  2. Adaptive Combat Rifle - Wikipedia

    en.wikipedia.org/wiki/Adaptive_Combat_Rifle

    The Adaptive Combat Rifle (ACR) is a modular assault rifle formerly designed by Magpul Industries of Austin, Texas, and known initially as the Masada.. In late January 2008, Bushmaster Firearms International entered into a licensing agreement with Magpul whereby Bushmaster would take over production, future development, and sales of the Masada. [5]

  3. Red dot sight - Wikipedia

    en.wikipedia.org/wiki/Red_dot_sight

    The mounting pattern used by the largest number of manufacturers, perhaps due to the wide range of aftermarket mounts available. The mounting standard uses two screws and four notches acting as recoil lugs. [15] Used on red dot sights such as Docter/Noblex sights, Burris Fastfire, Vortex Viper, Leica Tempus, etc. Trijicon RMR standard

  4. Visual acuity - Wikipedia

    en.wikipedia.org/wiki/Visual_acuity

    For 6/6 = 1.0 acuity, the size of a letter on the Snellen chart or Landolt C chart is a visual angle of 5 arc minutes (1 arc min = 1/60 of a degree), which is a 43 point font at 20 feet. [10] By the design of a typical optotype (like a Snellen E or a Landolt C), the critical gap that needs to be resolved is 1/5 this value, i.e., 1 arc min.

  5. LogMAR chart - Wikipedia

    en.wikipedia.org/wiki/LogMAR_chart

    The chart was designed by Ian Bailey [5] and Jan E. Lovie-Kitchin at the National Vision Research Institute of Australia. [1] [3] They described their motivation for designing the LogMAR chart as follows: "We have designed a series of near vision charts in which the typeface, size progression, size range, number of words per row and spacings were chosen in an endeavour to achieve a ...

  6. Mazda diesel engines - Wikipedia

    en.wikipedia.org/wiki/Mazda_diesel_engines

    Newly calibrated powertrain control module mapping resulted in better drivability, fuel efficiency and emission performance. This engine has changed layout of the intake/exhaust, with more efficient EGR cooler, better DPF and combined fuel consumption 5.6 L/100 km (50 mpg ‑imp ; 42 mpg ‑US ), less than its predecessor.

  7. Visual impairment - Wikipedia

    en.wikipedia.org/wiki/Visual_impairment

    Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception.In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6]

  8. Mazda CX-30 - Wikipedia

    en.wikipedia.org/wiki/Mazda_CX-30

    The Mazda CX-30 is a subcompact crossover SUV produced by Mazda.Based on the fourth-generation Mazda3, it debuted at the 2019 Geneva Motor Show, to slot in between the CX-3 and the CX-5.

  9. Mazda B series - Wikipedia

    en.wikipedia.org/wiki/Mazda_B_series

    The Mazda B series is a series of pickup trucks that was manufactured by Mazda.Produced across five generations from 1961 to 2006, the model line began life primarily as a commercial vehicle, slotted above a kei truck in size.