Under general supervision to provide responsible assistance in the preparation of materials for educational instructors; to set up materials and demonstrations for classroom lectures; to provide assistance to, and tutor, students in an assigned area; to perform clerical duties for assigned instructor; and to perform a variety of tasks relative to the assigned area of responsibility. Mobility: Essential and marginal functions may require maintaining physical condition necessary for walking, standing or sitting for prolonged periods of time; heavy, moderate or light lifting; standing, bending, operating motorized equipment.