Surveying apparatus and instruments; measuring systems, sensors, measuring apparatus, position finding (locating) apparatus, calculating machines, data processing equipment, computers, displays, alarms, automatic regulators, apparatus for recording, transmission or reproduction of images, signal transmitters, signal receivers, field computers and computer programs in the field of civil engineering and surveying; computer software, programs and applications for handling, sorting and storing information needed in surveying and civil engineering; measuring systems, sensors, measuring apparatus, position finding (locating) apparatus, calculating machines, data processing equipment, computers, displays, alarms, automatic regulators, apparatus for recording, transmission or reproduction of images, signal transmitters, signal receivers and computer programs to be used in civil engineering machines