The sign, which has since been taken down, declared the business will not force patrons to wear personal protective equipment (PPE ... There are no restrictions in our store.

Collection of specimens ... you put on the PPE correctly (Figure 1). If possible, you should put on and take off the PPE in the presence of an observer to make sure there are no breaks in ...

National Signs was no different. Johnson started preparing ... plan and was ready to implement it — manufacture personal protective equipment (PPE). The move enabled National Signs to thrive ...