Walking, standing, sitting, bending, kneeling, and squatting, climbing stairs, speaking and listening, reaching with hands and arms, having full mobility of fingers/hands to finger, handle or feel, close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus, carrying, lifting, and moving up to 25 pounds and/or moving light furniture may be required. § Requires the ability to apply principles of logical or scientific thinking to define problems, collect data, establish facts, and draw valid conclusions; to interpret an extensive variety of technical instructions in mathematical or diagrammatic form.