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  2. ISO 7010 - Wikipedia

    en.wikipedia.org/wiki/ISO_7010

    Sign type [1] Meaning Colour (per ISO 3864-4) [7] Shape [7] Example Prohibition sign: Must not do: Red: Circle with diagonal line: No open flame Mandatory sign: Must do: Blue: Circle: Use hearing protection Warning sign: Warn of hazard: Yellow: Equilateral triangle with rounded corners: Explosive materials Safe Condition sign: Identifying of ...

  3. Hazard symbol - Wikipedia

    en.wikipedia.org/wiki/Hazard_symbol

    Generic warning symbol (Background color varies) On roadside warning signs, an exclamation mark is often used to draw attention to a generic warning of danger, hazards, and the unexpected. In Europe and elsewhere in the world (except North America and Australia), this type of sign is used if there are no more-specific signs to denote a ...

  4. Defective pixel - Wikipedia

    en.wikipedia.org/wiki/Defective_pixel

    Close-up of an LCD, showing a dead green subpixel as a black rectangle A defective pixel or a dead pixel is a pixel on a liquid crystal display (LCD) that is not functioning properly. The ISO standard ISO 13406-2 distinguishes between three different types of defective pixels, [ 1 ] while hardware companies tend to have further distinguishing ...

  5. Shades of black - Wikipedia

    en.wikipedia.org/wiki/Shades_of_black

    Black and dark gray colors are powerful accent colors that suggest weight, dignity, formality, and solemnity. [1] In color theory, a shade is a pure color mixed with black. It decreases its lightness while nearly conserving its chromaticity. Strictly speaking, a "shade of black" is always a pure black itself and a "tint of black" would be a ...

  6. Light-on-dark color scheme - Wikipedia

    en.wikipedia.org/wiki/Light-on-dark_color_scheme

    Light on dark color schemes require less energy to display on OLED displays. This positively impacts battery life and reduces energy consumption. [16]While an OLED will consume around 40% of the power of an LCD displaying an image that is primarily black, it can use more than three times as much power to display an image with a white background, such as a document or web site. [17]

  7. AOL Mail

    mail.aol.com/d?reason=invalid_cred

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Screen burn-in - Wikipedia

    en.wikipedia.org/wiki/Screen_burn-in

    Burn-in on a monitor, when severe as in this "please wait" message, is visible even when the monitor is switched off. Screen burn-in, image burn-in, ghost image, or shadow image, is a permanent discoloration of areas on an electronic visual display such as a cathode-ray tube (CRT) in an older computer monitor or television set.

  9. Why do I get a dark gray screen when trying to sign in to ...

    help.aol.com/articles/why-do-i-get-a-dark-gray...

    Why do I get a dark gray screen when trying to sign in to Facebook using AOL Shield Pro? If you're seeing a dark gray screen when trying to sign in to Facebook using the AOL Shield Pro browser, it's caused by a bug in Chromium, the framework that AOL Shield Pro is built on (as well as Chrome).