“I found this, and I consider myself lucky. Who knows what it is?”
You might have seen these glass or porcelain things on the tops and crossarms of telephone poles, but have you ever wondered what they are and why they’re there? Well, hang tight, because I’m about to spill the beans on these unsung heroes of the communication world. Insulators, those quirky-looking contraptions, have a vital job. … Lire plus