Scrap increases on night shift: how I investigated it

I learned this from a case that seemed small while analyzing rejections by shift in a medium-sized plant. The problem was that scrap increased at night and it was assumed that the staff was inattentive. At first, it didn't seem serious, but in a real work environment, that type of detail can affect times, costs, or customer trust. Avoid changing several things at the same time. Compare raw…