Equivalent of four years in high school, plus night, trade extension, or correspondence school specialized training, equal to two years of college, plus 12 to 18 months related experience and/or training, or equivalent combination of education and experience. While performing the functions of this job, the employee is frequently required to sit, use hands to finger, handle, or feel, talk or hear; and occasionally required to stand, walk, reach with hands and arms, climb or balance, stoop, kneel, crouch, or crawl.