Essential and marginal functions may require maintaining physical condition necessary for sitting, walking or standing, lifting, pushing, pulling, twisting, throwing, reaching, squatting, stretching, bending for prolonged periods of time; at times lift and carry as much at 50 pounds; near visual acuity to review written documentation; ability to hear and understand speech at normal room levels. · Performing this job requires use of hands to finger, handle, or feel objects, tools or controls, sit, talk and hear, stand, climb, balance, stoop, kneel, crouch, or crawl.