Scientific, photographic, cinematographic, optical, weighing, measuring, signalling, life-saving and teaching apparatus and instruments, namely computer hardware for real-time analysis of infrastructure, namely tunnels, pipes and sewer drains, solar panels, buildings, constructions, drones; apparatus for recording, transmission or reproduction of sound or images in particular visual recordings of infrastructure, namely tunnels, pipes and sewer drains, solar panels, buildings, constructions; m...