IMG source - ExpressInformer.com
It may be dawning on many today that with 400 million people now under quarantine in China, our dependence on their manufacturing has severed our supply lines for various tools, electronics, and chemicals/pharmaceuticals.
An additional consideration that may yet to be grasped is that China's scientists, scholars, and researchers are highly concentrated in it's first tier cities, primary targets of the quarantines today. Perhaps 10% of our scientists globally have been lost to our current ability to grapple with this plague, and may be permanently.
Yesterday I needed some special nails for a job, and was unable to procure them. It's not just paper masks that are in short supply, but industrial goods of every kind, and that disruption is going to persist for the foreseeable future. Worse, the innovators and developers of new technologies that allow us to transcend legacy industrial systems and respond to this kind of disruption have been no less disrupted.
Stock up.