This document, which is designed for use in developing a tech prep competency profile for the occupation of occupational therapy assistant, lists technical competencies and competency builders for 16 units pertinent to the health technologies cluster in general as well as those specific to the occupation of occupational therapy assistant. The following skill areas are covered in the general units: employability; professionalism; teamwork; computer literacy; documentation; infection control and risk management; medical terminology; anatomy, physiology, and pathology; medical law and ethics; psychology of stress; psychology of human relations; first aid and medical emergencies; general administrative duties; vital signs; nutrition; and patient education. The 10 competencies specific to the occupation of occupational therapy assistant are as follows: assist with evaluation; define patient needs; incorporate occupational therapy principles in planning; plan therapeutic measures; use occupational therapy equipment; use orthotics; perform therapeutic measures; treat patients in functional activities; engage patients in purposeful activities; and provide therapy for different types of patients. (MN)