Any time you buy any pen, you will see that there is a hole in his cap. Have you ever tried to think about the importance of this thing? The work of this cap is very big because many people go by this hole.
The pen which used to come from a long time had no hole in the cap. First and now people have a habit of chewing Pen Kaaf. If you accidentally chew the cap of the pen, then that hole will keep your throat oxygen going.
Which will save you life Earlier, when there was no hole in the pen. Then many people lost their lives, so the hole in the pen was pierced. “- Have you ever wondered why a hole in the pen is in the trap