Where to find Cooling Coils in Arc Raiders

Chances are, you've come across a good few Cooling Coils already in Arc Raiders but simply ignored them since they're not actually all that useful—unless you want to salvage them for springs. Annoyingly, now you need to find four of the buggers to complete the second stage of your second Expedition Project.

Of course, when you need a bunch of a certain item, you can't find any at all. But don't worry, I'll go over all the best places to look for Cooling Coils below so you can move on to the next step.