The usual things, the purpose of which you did not know

Why pompons on headdresses, where pants on the arrow that appears, and what is the use of the box underneath the oven - the answers to these questions can be found in the new video Layfhakera.

Blue part of eraser

In school, I went to a legend that the blue part of the eraser is needed in order to erase the pen. But it is unlikely you managed to erase ink, maximum - make a hole in a thin notebook sheet. Blue half of the eraser is needed to erase graffiti from construction paper. The red part of the eraser to handle such a situation much worse and leave streaks.

Small pocket on the jeans

Another popular misconception is that little pocket on men's jeans intended for a condom. In fact, the first time such a pocket appeared on Levi's jeans. He called Watch Pocket - pocket for hours. In the XX century it was more than now, so it easily fits popular in those days, watch and chain.

A piece of cloth that is attached to the new clothes

Usually by the shirt in a small package attached spare buttons and a small piece of tissue. This patch is designed not to patch, as you might think. clothing manufacturers apply a small sample, so you can wash it and see how the tissue reacts to your laundry detergent or bleach.

Patches on the sleeves of jackets

Today, jackets or shirts with patches - it's a fad. But this part of the wardrobe military background. German soldiers during First World War I had a lot of crawling on his elbows, and sleeves quickly wiped. Therefore, they have pre-sewn fabric extra clothing to protect it from damage.

Later this idea relished hunters who often shoot to stop. They moved from patches in wardrobes Ivy League students, thanks to which became popular throughout the world.

The protrusions on the keys F and J

Look at your keyboard: the keys F and J ( "A" and "O" in Russian keyboard layout) is a small convex marks. They need to find them by touch, without looking.

The thing is that experienced typesetters use touch type printing. Keys F and J in blind typing - the main, that they should be placed forefingers. And when the arm accidentally "loses" the desired key, compositor can quickly find her, never taking his eyes off the monitor.

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