Using the process flowchart, label each component with a sequential reference number. 1  These reference numbers will be used throughout the FMEA process. 2  The marked-up flowchart will give you a powerful visual to refer to throughout the PFMEA.
Although vitamin D deficiency rickets is rare in the United States, children who are dark skinned and living in cloudy northern cities as well as children on restricted diets due to cultural or religious beliefs are more likely to develop this disorder.
Rickets is a condition that affects bone development in children. It causes the bones to become soft and weak, which can lead to bone deformities. Rickets in adults is known as osteomalacia or soft bones. The most common cause of rickets is a lack of vitamin D and calcium.