Many military radar technician (I like to say most of them) who was my student can bear testimony to this.
I have no data about other craftsmanship areas or other groups but I make sure of their knowledge in electronics, too.
- Whenever a poet or preacher, chief or wizard spouts gibberish, the human race spends centuries deciphering the message. - Umberto Eco - To assert that the earth revolves around the sun is as erroneous as to claim that Jesus was not born of a virgin. - Cardinal Bellarmine at the trial of Galilei