Water level detection apparatus; water level indicators; water level regulators (other than valves being parts of sanitary installations); water timers

Computer hardware and software for control, surveying and measurement of data; apparatus for recording, transmission or reproduction of sound or images; all the foregoing goods are for use in or together with underwater drones

Underwater drones; remotely operated vehicle (ROV) for use under water; mini remotely operated vehicle (mini - ROV)