VioletZer0 posted...
The modern symbols incorporate a gear representing heavy industry workers.
I think the main way to go would be 1 symbol for product workers and 1 symbol for service workers (though obviously there is overlap with the job type) just because anything else I can think of quickly gets way too complicated. Let me think...
https://gamefaqs.gamespot.com/a/forum/a/afc277c5.jpg
*Shrug* A bit overly complicated maybe, but it could easily be simplified. The gray symbols are optional and could go where the blue circles are.