9 APPARATUS IN THE FIELD OF ROAD MAINTENANCE, NAMELY, COMPUTER HARDWARE, COMPUTER SOFTWARE, ELECTRONIC SENSORS AND CAMERAS FOR CHECKING, MAINTAINING, CONTROLLING AND PROBING PAVEMENT, FOR ASSESSING MAINTENANCE AND RE-ENFORCEMENT REQUIREMENTS FOR ROAD NETWORKS, BRIDGES, STRUCTURES AND TRANSPORTATION INFRASTRUCTURES, FOR THE REPRODUCTION OF DATA IN THE FORM OF FILM, VIDEO TAPE, AND COMPUTER FILES, AND FOR THE CREATION OF ROAD DIAGRAMS; ELECTRONIC DATABASE IN THE FIELD OF ROAD INFRASTRUCTURES RECORDED ON CD ROM; MEASURING BENCHES, NAMELY, LASERS FOR MEASURING PURPOSES AND POCKET CALIPERS FOR MEASURING; MEASURING AND TESTING MACHINES FOR ROADS AND MATERIALS FOR PAVING ROADS AND FOR BUILDING STRUCTURES, NAMELY, MATERIALS TESTING MACHINES FOR TESTING SAMPLES OF ASPHALT AND CONCRETE; CONCRETE FLOW METERS; TEMPERATURE CONTROLS FOR CLIMATE CONTROL AND DRYING OVEN UNITS; PRESSURE SENSORS; GAMMA DENSITOMETERS, NAMELY, DEVICES TO MEASURE THE DENSITY OF ROAD BASES