(1) THE HOLE IN BIRO CAP

It looks needless, doesn't it? We all chewed it in primary school and some people even used it to clean inside their ears. The hole is actually meant to reduce the risk of suffocation. Should you accidentally swallow it, that hole prevents your airway from totally closing.

(2) THE HOLE IN POT HANDLES

It's obviously to hang the pot, but the purpose you didn't know is that it is meant for keeping your cooking spoon.

(3) THE LITTLE HOLE AT THE BOTTOM OF A PADLOCK

I'm sure you never really noticed. The purpose is to drain water and prevent rust in case you're using it outdoor and it rains. It can also be used for oiling the lock.

(4) THE LITTLE BUMPS ON THE 'F' AND 'J' KEYS ON THE KEYBOARD.


In 10-finger typing, the 'F' and 'J' keys are the home keys, where your index fingers rest. The little bumps let you find your way back to the home position without looking down at your keyboard.

(5) THE LITTLE DISK UNDER THE COVER OF A PLASTIC BOTTLE.
Have you ever pried one of them out and found that your bottle still closes fine? What purpose could they possibly serve then?
They're there to create a seal that keeps EVERYTHING in that bottle, both liquid and carbonation. Without it, that soda would go flat in no time.

Very educative



https://www.youtube.com/watch?v=dtzQOGbWPrk

Jah Jehova Mimo

Wowed

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JohnXcel:
Nice thread that should be on the front page, but...

But it's neither snake nor BBNaija related.

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Deseo:
(4) THE LITTLE BUMPS ON THE 'F' AND 'J' KEYS ON THE KEYBOARD.


In 10-finger typing, the 'F' and 'J' keys are the home keys, where your index fingers rest. The little bumps let you find your way back to the home position without looking down at your keyboard.

Wow. Never noticed those bumps before. I actually reached out for my laptop to confirm this.

Thanks!