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References
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airplane in flight (plane, aircraft, flying)
7 Puzzling Plane Disappearances
Time zone map with standard time zones and International Date Line
Why Are Some Time Zones 30 Minutes Off Instead of an Hour?
The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.
What If the President Is Impeached?
Normandy Invasion: Omaha Beach. World War II. D-Day. Infographic. SPOTLIGHT VERSION
Facts and Figures About the Landings on Omaha Beach During the Normandy Invasion on June 6, 1944
Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)
All 119 References in “We Didn’t Start the Fire,” Explained
Lake Mead (the impounded Colorado River) at the Hoover Dam. The light-coloured band of rock above the shoreline shows the decrease in water level in the first few years of the 21st century.
6 Lakes That Are Drying Up
pulmonary veins and arteries, circulation, cardiovascular system, human anatomy, (Netter replacement project - SSC)
13 Questions About How the Human Body Works Answered

casement sash

architecture

Learn about this topic in these articles:

feature of casement window

  • casement windows
    In casement window

    …a window is called a casement sash.

    Read More