Blue collar work rarely has the kind of uncertainty and open-endedness that white-collar work routinely does. It might be physically strenuous, but it's rarely

Blue collar work rarely has the kind of uncertainty and open-endedness that white-collar work routinely does. It might be physically strenuous, but it's rarely mentally tortuous. You clock in, do what they tell you, when it's done you ask for more to do, and when it's time to go home, you clock out and leave it behind.