Рет қаралды 884,139
Hello Friends, Factbhai here, Common objects hide secret purposes not many people know about. Sometimes we even use many things in the wrong way, even though the designers actually planned something different for their inventions. And we are gonna cover some similar points today like we are gonna talk about why there is a hole in iPhone, lock, pen’s cap, and also gonna cover points like jerrycan, gas gauge, and bristles on escalators and toothbrushes. To know the reasons behind all of this, check out the video above now.
Instagram (Personal account) → bit.ly/2vpq7Kq