Ability to add, subtract, multiply, and divide in all units of measure, using whole numbers, common fractions, and decimals; the ability to compute rate, ratio, and percent and to draw and interpret bar graphs. Physical: Requires some reaching, bending, stooping, squatting, crawling, kneeling, pushing, pulling, lifting, and carrying up to 25 pounds, finger dexterity, repetitive motions, standing, walking, sitting, hearing, visual acuity, and color vision.