Electrical, electronic, optical and mechanical devices, namely, cameras, surveying machines, inertial measurement units and instruments, global positioning system, digital map generators for generating digital maps to determine the geographical coordinates of pipelines; utilizing marine, photo, movie, right-of-way, rescue, training, optical, survey, surveillance, scientific methods; Electrical, electronic, optical, and mechanical devices, namely, pigging apparatus, sensors, detectors, cameras and radio wave transmitters for the location of cleaning and inspection machines in a pipeline, in particular, by low-frequency signals or magnetic signals; Electrical, electronic, optical and mechanical devices, namely, pigging apparatus, cameras, magnetic sensors, ultrasonic sensors, eddy current sensors, mechanical sensors, inertial measurement sensors to determine the geometry of pipelines; Electrical, electronic, optical and mechanical devices, namely, pigging apparatus, cameras, magnetic sensors, ultrasonic sensors, eddy current sensors, mechanical sensors, inertial measurement sensors for measuring the free span and change in the weight-lining of an off-shore pipeline; Electrical, electronic, optical, magnetic, acoustic and mechanical devices, namely, pigging apparatus, cameras, magnetic sensors, ultrasonic sensors, eddy current sensors, mechanical sensors, inertial measurement sensors for examining metal loss and cracks in pipelines, Electrical, electronic, optical, magnetic, acoustic and mechanical devices, namely, pigging apparatus, cameras, magnetic sensors, ultrasonic sensors, eddy current sensors, mechanical sensors, inertial measurement sensors for the inspection and monitoring of storage tanks, in particular for inspection of the tank bottom and the outer tank shell; Electrical, electronic, optical, magnetic, acoustic and mechanical devices, namely, pigging apparatus, cameras, magnetic sensors, ultrasonic sensors, eddy current sensors, mechanical sensors, inertial measurement sensors for inspection of smaller diameter pipeline; Electrical, electronic, optical, magnetic, acoustic and mechanical apparatus for recording and playback of audio and visual information, in particular transmitted by or to a pipeline inspection device from the inside of the pipeline or the outside of the pipeline; microprocessors, microcontrollers, data-acquisition devices, and computers for detecting and evaluating the inspection data of pipelines as well as microprocessor, microcontroller data acquisition receivers and computer programs for this purpose, namely, software for evaluating inspection data of engineering structures, operating software therefore, and computer programs for evaluation of the inspection data of pipelines, and computer programs for storing and administering the inspection data of pipelines; volatile and non-volatile data carriers in particular with data and sold together in as a unit with computer programs for evaluating the inspection data of pipelines and with computer programs for storing and administering the inspection data of pipelines