Separate workers as much as possible. Take temperatures 3 times daily. Send anyone with cough home. Still keep the limits on large groups over 10 for now. I heard that nice Dr. who is always on FOX being interviewed by Hannity radio show and the Dr. said he was washing his hands because he learned the virus is very susceptible to soap. Unfortunately, there was no more talk about it as Hannity fired off a question for him to answer.
Yes, see The science of soap heres how it kills the coronavirus