'A new battery-powered device for divers repels sharks using this type of field'
Electro-magnetic/electric
SHARKS!: A new battery-powered device for divers repels sharks using this type of field
A new battery-powered device for divers repels sharks using this type of field
A new battery-powered device for divers repels sharks using this type of field
SHARKS!
Electro-magnetic/electric
SHARKS!