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  2. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    When a racon receives a radar pulse, it responds with a signal on the same frequency which puts an image on the radar display. This takes the form of a short line of dots and dashes forming a Morse character radiating away from the location of the beacon on the normal plan position indicator radar display. The length of the line usually ...

  3. Screen printing - Wikipedia

    en.wikipedia.org/wiki/Screen_printing

    Screen printing is a printing technique where a mesh is used to transfer ink (or dye) onto a substrate, except in areas made impermeable to the ink by a blocking stencil.A blade or squeegee is moved across the screen to fill the open mesh apertures with ink, and a reverse stroke then causes the screen to touch the substrate momentarily along a line of contact.

  4. 1951 USAF resolution test chart - Wikipedia

    en.wikipedia.org/.../1951_USAF_resolution_test_chart

    A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens. It is widely used in optical engineering laboratory work to analyze and ...

  5. What Really Happens When You Eat Foods High in Lectins - AOL

    www.aol.com/really-happens-eat-foods-high...

    Whole Grains. Whole grains such as oats, barley, quinoa and brown rice are an essential part of a healthy diet, and are associated with lower rates of cardiovascular disease and type 2 diabetes ...

  6. Laundry symbol - Wikipedia

    en.wikipedia.org/wiki/Laundry_symbol

    The four symbols shown indicate that the garment must not be washed in water, must not be bleached, may be ironed only with a protective pressing cloth, and must be dry cleaned. A laundry symbol, also called a care symbol, is a pictogram indicating the manufacturer's suggestions as to methods of washing, drying, dry-cleaning and ironing clothing.

  7. Air travel demand is breaking records. Airline profits are not.

    www.aol.com/news/air-travel-demand-breaking...

    Airline profits are not. Record summer air travel demand isn’t translating to record U.S. airline profits. Carriers will have to answer for that disconnect when they report quarterly results ...

  8. How do I take a screenshot? - AOL Help

    help.aol.com/articles/how-do-i-take-a-screenshot

    If you're asked to provide a screenshot when contacting AOL about an issue, you can use these steps for the most common operating systems. If you're using a different device, contact the manufacturer of the device for specific steps. • Capture a screenshot on iOS. • Capture a screenshot on Windows. • Capture a screenshot on Mac OS X ...

  9. Print an AOL Calendar - AOL Help

    help.aol.com/articles/print-an-aol-calendar

    To print your calendar, just use the print functionality built into your browser. For most browsers, the print option will be available though the menu button, however, for specific instructions check out your browser's help site. Learn how to print your AOL Calendar and keep a physical copy of your schedule.