I would love it if the common items that were crafting ingredients would have a little indicator of that in their mouse-over tooltip. it could just be a little tag or note in the corner or something, or say (upgradable), etc.
I'm sure this would be easy to add, and it would save the step of every time i get a common item having to go thru the R&D page hunting for it.
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I just made a list in my Captain's Log. It's not a very long list, and there's a recognizable pattern too.