National Health and Nutrition Examination Survey
1999-2001 Measuring Guides
Model Name: Concentric Circles
Hardk disk set (HD) and floppy disk set (FD)
|HD||2, 2.5, 3, 3.5, 4, 5, 6|
|FD||5, 6, 7, 8, 9|
The hard disc set comprises seven white plastic circles. The floppy disc set comprises five brown vinyl fabric circles. The diameters of these circles are specified as above.
The circles are used to help estimate the diameter of round foods such as cookies, pancakes, biscuits, pies, and tortillas.
National Center for Health Statistics
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