1. Producing masks, gloves, face shields
2. Producing tests or test supplies (cotton swabs, reagents, etc.)
3. Things related to contact tracing (not sure what material goods this would need off-hand)
4. Vaccine research (again, nothing they could do)
The choice is not between re-open now or never re-open. If we actually had at least the first 3 things above, re-opening could be done in a controlled and safe manner. We still don't have those things, months later.