Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable media, computer software; computers and computer peripheral devices; life-saving apparatus and instruments; robotic life-saving apparatus and instruments, autonomous robotic life-saving apparatus and instruments; life-saving apparatus and instruments being robotic flotation devices, including remote-controlled robotic flotation devices and autonomous robotic flotation devices; personal flotation devices; robotic personal flotation devices, including remote-controlled robotic personal flotation devices and autonomous robotic personal flotation devices; operating systems for robots; application software for robots; electric control apparatus for robots; digital controls for robots.