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 more common in regions of Asia where there is a lack of daylight and/or low intake of meat due to a vegetarian diet. Northern Yemen and Kuwait are also areas where Vitamin D deficiency rickets are prevalent due to lack of exposure to the sun because of cultural practices.