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About 30 years ago I expanded a thin=net network installation to a total of about 10 computers. A few months later, I got a call that their network was suddenly very unreliable. When I got to the location, things were not as they were when I completed the original expansion. When they moved their home-made cubicles, they pulled the thin-net cable through the small openings in the cubicles. Some of the cables caught on the wood or other obstructions and strippe feet of insulation from the cable and damaging much of the braided shielding as well. I was surprised the network worked at all. I replaced the bad sections of cable and all was well again.