1 The hole is very necessary:

Have you ever wondered why things are made the way they are? Why manufacturers are designing that way? There must be a reason behind it, Right? Yes absolutely right. There is always a reason behind designing things the way one have designed them. Like the hole in the cap of ballpoint you have ever noticed.

Everyone is so busy in using ball point nowadays at schools, colleges and their work places. There are very less number of people who can be able to notice the hole in the cap of a ballpoint pen. People have no idea how much these simple changes are very essential. Only scientist knows the fact. The hole is very necessary and has some valid reason behind; it is not for enhancing the beauty of pen only.