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At the entrance of St. Stephen’s Cathedral in Vienna, a set of standards are permanently part of the wall. The first is the length of a yard. The second is a round circle for the standard size of a loaf of bread. Each of these two standards, one embedded and one carved, were placed there to assure the people of that day that they were not being cheated by others. These were standards they could use to check and compare. A yard meant a yard, and the standard was a steel rod embedded in the wall. A round loaf of bread had to be a certain size, or it wasn’t a full loaf of bread. If the street vendors and merchants didn’t have standards, at least the Church would display standards that no one could dispute.