How do you know it's not a typically used unit? It could be Celsius at high pressure. Or maybe you, like almost everyone else, aren't confused at all because y

How do you know it's not a typically used unit? It could be Celsius at high pressure. Or maybe you, like almost everyone else, aren't confused at all because you know water at sea level boils at 212 degrees Fahrenheit, a unit which is typically used in the U.S., and it's an informal quote by a U.S. resident of a coastal city.