Snow cleaning of the world's largest telescope mirrors was an impressive sight. The optics technicians would climb into a huge telescopic boom lift and spray immense clouds of cold carbon dioxide snow...
The people who work with solar photovoltaics (PV) tend to be sick, I've worked with many of them. They were showing classic symptoms of Radio Wave Sickness (RWS).
On any mechanical repair job ego comes in for rough treatment. You're always being fooled, you're always making mistakes, and a mechanic who has a big ego to defend is at a terrific disadvantage. If y...