7 familiar things, the true purpose of which we did not even know
7 familiar things, the true purpose of which we did not even know
Anonim

There are many different little things in our life, the true purpose of which we do not even think of. But they were invented for our convenience and comfort.

We are at the editorial office of Our site decided to tell you about the true purpose of the small details of 7 items that we use literally every day. Let `s start?

Rubber lining under the soda lid

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Purpose: keeps gas in the drink

Horizontal stripes on the keyboard

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Purpose: are a hint for people who blindly dial

Small hole at the bottom of the padlock

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Purpose: protects the lock from rust, removing moisture from it

Small pocket on jeans

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Purpose: it was originally designed for a regular lighter, but then it became just a tribute to tradition and lost its original function

A tiny hole in an airplane window

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Purpose: conducts air between the cockpit and the space between the two layers of glass in the window, which normalizes the gigantic difference in pressure outside and inside the cabin. If not for this little hole, all the windows in the portholes would have simply cracked.

Holes on the side of the sneaker

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Purpose: if you use these small holes when tying the laces, the ends of the laces will not interfere with walking. Also, with the help of these holes you can "narrow" the shoes

Sample of fabric and buttons on new clothes

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Purpose: this piece of fabric can be used to test different modes of washing, ironing and cleaning agents. But you can replace the lost buttons with buttons.

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