The rats are too light to set off the mines, giving them an advantage over dogs, and their noses are almost as keen. They are also very cheap. Add a bit of human ingenuity, and a serious problem is a step closer to solution.
The rats are too light to set off the mines, giving them an advantage over dogs, and their noses are almost as keen. They are also very cheap. Add a bit of human ingenuity, and a serious problem is a step closer to solution.
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