(between Balladonia Roadhouse and Norseman). The stretch of road between Caiguna Roadhouse and Balladonia Roadhouse is known as the 90-mile straight. It's the longest stretch of straight road in Australia, 146.6 km. of asphalt without a single curve! Towns east of Caiguna do not follow official Western Australian time.
We cannot order Social Security numbers in any meaningful way. Some people have Social Security numbers that start with a higher number than others but there is no meaningful difference signified by this. So the Social Security number is a nominal level variable. Any time that you arbitrarily assign a person or another entity an identification number, the resulting variable will be nominal because the numbers d4o not signify anything important or meaningful. On the other hand, interval level variables are ordered.
DN = Diameter Nominal The term Diameter Nominal refers to the internal diameter of a pipe. Together with the nominal pressure rating and the materials class, all dimensions of a piping line, e. g. flange dimensions, are defined by indicating the nominal diameter. Steel is often not specified, but assumed as material.