Considering how often surgeons leave all sorts of things inside patients (https://www.ctvnews.ca/health/surgical-objects-left-in-patients-on-the-rise-in-canada-

Considering how often surgeons leave all sorts of things inside patients (https://www.ctvnews.ca/health/surgical-objects-left-in-patients-on-the-rise-in-canada-data-shows-1.4673890 https://www.ctvnews.ca/health/surgical-objects-left-in-patie...) it's not hard to imagine manufacturing facilities doing much worse! Of course, the issue is knowing about the problem and ignoring it. That's inexcusable.