Veterinarians and farmers have known that if you have a cow swallow a large smooth
magnets, the
magnets will also fall to the bottom front of her stomach. It will remain here, often for years, and attract the pieces of metal so that they do not penetrate the stomach wall.they are stainless steel
cow magnets,
block ferrite cow magnets,
ring ferrite cow magnets and
AlNiCo cow magnets.

block ferrite cow magnet, ring ferrite cow magnet and stainless steel
cow magnet

The construction of some
stainless steel cow magnets

The construction of
Ring Ferrite cow magnets