the electrician i hire is in better shape than i'll ever be in, despite being about 50. pretty sure he makes about what i do, too.
> Third, workplace conditions are on average undesirable. Outdoors in the heat/cold, or indoors in tight spaces or high places.
ignoring high rises and installing solar panels, i feel like it isn't much worse than the stuff a lot of folks do on a regular basis to get exercise to make up for all the sitting they do all day, or just recreationally.