Could it possibly be used by the water company for locating leaks? I've seen
them lifting a cover in the road and putting a rod down and placing an ear
to the other end. The plastic section could be to avoid any chance of
Looking at the picture, it is one of the metal rods that doesn't have a
thread. If I'm right about the electrocution bit, I guess you'd want the
plastic section above ground and below the bit you are holding.
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