Additional physical requirements include the following: Physically capable of frequently lifting or moving up to 25 pounds; Sufficiently mobile to ensure the safety of students; Specific vision requirements include close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to focus; Ability to sit and stand for extended periods of time; Manual dexterity for the purpose of using a telephone and data entry; Read a computer screen and printed material with or without vision aids; Hear and understand speech at normal levels and on the telephone; and. While performing the duties of this job, the employee is regularly required to walk, sit, stand, and reach with hands and arms, stoop or kneel, and crouch.