Best sector to work in?

Sidevalve:
Own account work.

Agreed, though its not necessarily what the OP was after, presumably a cushty number sitting on one’s arse all day doing the bare minimum :wink: , note the :wink: i wouldn’t want the Op’s job sounds a right ball ache.
Doing the job right and keeping your vehicle and equipment in the best condition possible takes effort, pride needed.