Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signaling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments, namely, apparatus and instruments to enable scientific research in the field of hydrofoil boats in the nature of a  downloadable software development kit to enable programming and testing of own algorithms on hydrofoil vessel components and to enable programming of own interfaces f...

tour services, namely, providing underwater diving tours