What is the need for frequent watering of coal carried in goods trains?
Why are these things like drums placed in mobile towers? What is the reason behind the different colors and shapes of the sign boards installed on the roads? What exactly is this white paint on the faces of cricketers? Do you know why the nail cutter has this curved part?
What is the science behind the camera lens being round but the photos taken with it are square? Do you know how tears come from the eyes?
What is the purpose behind taking electronic devices out of the bag and scanning them separately at the airport? Was there such a use for triangular scales?
Many things that we use in our daily life have some hidden purpose. You may not have known many of them till today. facts mojo has come to you today with some knowledge that you may have seen but did not know.
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