9 Virtual reality software for simulating diving and diving revivification and for training for diving and diving revivification; Virtual reality headsets; Virtual reality glasses; computer hardware for use with virtual reality software; Virtual reality software for medical teaching; Smartglasses; Life-saving apparatus and instruments, namely, life jackets, regulators for use in scuba diving, and underwater breathing apparatus; Protection and safety apparatus, namely, diving jackets, diving computers, inflatable flotation devices; Breathing apparatus, namely, underwater breathing apparatus, breathing apparatus linked with diving experience; Breathing apparatus for underwater swimming; Ear plugs for divers; diving equipment, namely, protective diving shoes; Air tanks for use in scuba diving; Diving helmets; weight belts for divers; Diving suits; Buoyancy compensator devices for divers; Diving equipment, namely, helmets; Underwater dive computers; diving gloves; Divers' life jackets; Respiratory masks for non-medical purposes; Nose clips for divers and swimmers; free diving weights to offset the buoyancy of a user's wetsuit; Oxygen regulators; Snorkels; Breathing apparatus for divers, namely, compressed air bailout units; Navigation apparatus for vehicles; Navigating apparatus, namely, directional compasses; Marine navigation apparatus for boats; Nautical apparatus and instruments, namely, marine radio communication machines and apparatus; Global Positioning System (GPS) apparatus; Directional compasses; Wearable activity trackers; Marine compasses; Electric navigational instruments; Underwater sonar navigational apparatus; Sextants; Sensors and detector units for use in controlling the actuation and operation of automatic safety apparatus and equipment; Electronic controllers for regulating air-fuel ratio in internal combustion engines; devices for testing, namely, ultrasound inspection devices for non-medical, non-destructive testing; Water testing instrumentation for monitoring and detecting contamination; Laboratory equipment and supplies, namely, test tubes; Hyperbaric oxygen chambers for non-medical purposes; Densimeters; Laboratory instruments, namely, laboratory swabs and pipettes; all of the aforesaid for diving and medical use