Indeed, the trades people who are my age, mid 50's, tend to be broken and hobbling. It might work in a country with a strong safety net, retirement system, and health care system, otherwise forget it. Trades people have a double whammy of working in a weak-labor country to begin with, and then having to work for typically small family owned businesses that skirt the labor laws and offer no career opportunities for non family members.

But the trades also include indoor trades such as medical technicians and assistants.