185KiB, 1920x1080, bioreactor-basics.jpg View SameGoogleiqdbSauceNAO Anonymous Mon 11 Oct 04:59:32 2021 No.13738621 ViewReplyOriginalReport Quoted By: >>13738731 >>13738760 >>13738955 Why are these things so expensive? I mean engineering studens have build simple ones from commonly available junk, so how come the commercial ones cost more than new car?
