Scale
The area that is surveyed is vast and, therefore, plans are made to some scale. Scale is the fixed ratio that every distances on the paln bears with corresponding distance on the ground.
Surveyors
Surveyors must have a thorough knowledge of algebra, basic calculus, geometry, and trigonometry. They must also know the laws that deal with surveys, property, and contracts. In addition, they must be able to use delicate instruments with accuracy and precision.
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