Armstrong Medical Industries, Inc, Lincolnshire, Ill, offers the X-ray Positioning Manikin. This life-size, human figure contains a fully flexible, articulated skeleton made of a specially formulated polyurethane for realistic x-rays. No metal parts have been used in the articulation of the skeleton. The skin surface and internal organs (heart, larynx, lungs, and kidneys) are constructed of radiolucent materials. The manikin weighs approximately 30 pounds. (800) 323-4220; .