Other suggestions -Capsules (what is actually holding all those different things?) I like this idea, but the existing capsules seem pretty well balanced. Maybe if they add new ones to the game. An upgraded poison capsule needing plastic, sulfuric acid, and water comes to mind. Also the idea of the ...

As it stands the only use for plastic is in advanced circuits and tank shells. The tank shells don't really make sense to me, but I've never worked in a munitions factory so I just may be ignorant. At any rate, the newest use of plastic for tank shells tells me the devs want to use plastics to make ...