The image I am presenting in front of you now, you notice that there are two souls side by side, one fan is running, the other fan is off, so in this scorching heat, I breathe through the fan, we feel a little bit cold through the fan, because we So we don't have a system without a fan, we don't have an air conditioning system, we're middle class, we've had enough so far. Today we would not be at this stage. People have been changing for ages instead of just humans. People have changed so much today that they have made fans instead of hand fans. They have made air conditioning. Scientists have created different types of products to make you feel cold, that is, to prevent heat Made different things Discovered different things One of them I made a video for a while I want to share with you hope you all like it.