Several things are assumed to be known, the place to begin (General Service Building), and understanding of east and south (reference directions), and the length of a block (unit of displacement). With this illustration, a direction and a distance from the General Service Building has been established. To be more specific, the Heat Exchanger is four blocks east and three blocks south of the General Service Building. Reference Points Location is RelativeĪn object's location is always given relative to another reference object.įor example, the location of a Heat Exchanger may be described as five blocks from the General Service Building.
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