What is the purpose of ‘black dots’ on windscreen? 99% of people who drive cars don’t know

Car Knowledge: Companies keep many things in mind while making cars. From the roof of the car to the wheels and from the bumper to the tail light, the company does not install anything without any reason. However, many times we ignore the small things found in the car, but these things play an important role in the car. Many times it happens that even those who have been driving cars for years are not aware of these things. Today we are going to increase your knowledge by giving you information about one such thing.