Do you ever wonder what you would do if there was a tap without the red and blue signs for cold and hot water? Well, you will most probably boil your hands instead of washing them. Imagine using a charger that does not signal the right power and voltage, your phone or other electrical appliance would definitely burn down. Now do you ever acknowledge that person who spends a lifetime designing those signs.Or do you think that they are just meant to be.
Do you ever wonder what you would do if there was a tap without the red and blue signs for cold and hot water? Well, you will most probably boil your hands instead of washing them. Imagine using a charger that does not signal the right power and voltage, your phone or other electrical appliance would definitely burn down. Now do you ever acknowledge that person who spends a lifetime designing those signs.Or do you think that they are just meant to be.
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