The Rising Influence of Rising Affluence

[Biowatch]

I don’t know that earrings would be bad, but make up definitely so.

In addition, at least in a medical setting, long finger nails can harbor bacteria. Having them cut through the sterile gloves clearly breaches the sterile environment.

I know someone who worked at NASA and they think the success of their satellite was heavily dependent on the diligence of the quality assurance people who made sure that everyone followed the proper decontamination procedures before they entered the clean room where the satellite was being built. Every speck of dust or whatever would stay with it throughout orbit and could interfere with a successful mission.

Surgeons are supposed to count the number of instruments they bring into an operating room and make sure it matches what they take out in order to avoid the occasional occurrence of leaving one stitched up inside the patient.