I'm a Construction Project Manager, so not really manual labor, more technical as I am involved in the planning, design, and construction phases.
I also work part-time as a bicycle mechanic, so I did vote for "manual".
L8R
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"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, What a Ride!" - unknown
"Your Bike Sucks" - Sky Yaeger