5 Things You Didn’t Know the Purpose Of

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5 things you didn't know the purpose of
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I bet you don’t know the purpose of these 5 things…

These days, we use quite a number of things we don’t know the purpose of. You’ll probably ask, ‘why bother?’, after all there’s really no big deal. Contrary to our thoughts, even the simplest things mean a great deal and knowledge is never a waste.

Here are 5 things you didn’t know the purpose of, until now.

Bumps on the F and J keys

5 things you didn't know the purpose of

The bumps on the F and J keys are the guide point to help you position your ten fingers on your keypad so you don’t have to look at your keyboard while typing.

Mini Jack

5 things you didn't know the purpose of

The two stripes on earphones help differentiate the sound that goes in your headphones so they play slightly different tracks, while the extra stripe on the three striped jack acts as a microphone.

Signs on your charger

5 things you didn't know the purpose of

There are different signs written on your phone charger and I bet you don’t understand any of them. The CE = Good enough for use, the house symbol = Only suitable for house use, the double square sign shows that the charger has double protection and won’t cause an electric shock, the crossed out trash can = device should be recycled properly and the V or IV show that the charger meets standards for the US and Europe respectively.

Car head rests

5 things you didn't know the purpose of

Car head rests are properly cushioned to prevent whiplash accidents but unknown to a lot of people, are also used to break through car windows in case of an emergency, hence its ability to be detached.

USB Plugs

5 things you didn't know the purpose of

The plastic in USB plugs are made so you don’t plug them into your computer the wrong way. Even if you did, it won’t work until it is plugged properly.

 

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