An old calculator uses a seven-segment display, in which numerals are represented by different patterns of vertical and ...
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Hosted on MSNWhat Causes Vertical and Horizontal Ridges in Nails?Medically reviewed by Casey Gallagher, MD Ridges in nails can develop due to a current or past illness or injury. A healthy nail is typically smooth or has barely perceptible vertical lines running ...
Did you know that different types of lines have different names? A vertical line goes up and down. A horizontal line goes left to right. Why not have a look around and see if you can find any ...
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