RE: Invisible Fence System For Pet Containment: The Technology & How it Works (Research-based)

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Invisible Fence System For Pet Containment: The Technology & How it Works (Research-based)

in steemstem •  7 years ago 

Sounds really interesting, can't wait for this technology to be implemented. Great post buddy.

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Perhaps not popular in Africa but it has been in use since 70's.