Surveying is the technique, profession, and science regarding accurately determining the terrestrial or three-dimensional position of points plus the distances and perspectives between them, generally practiced by surveyors, and members of varied engineering professions. Electronic surveying equipment has developed into a major tool within the construction industry. It is with the use of such equipment that a surveyor can much more easily determine particular dimensions so that you can ensure that the construction work being performed is done thus correctly. As with all modern electronic surveying equipment they will use a online system which is able to record all the details collected out about site before it might be transferred over into a computer.