Typically located in a comfortable environment but with regular exposure to factors that may cause noticeable discomfort or a moderate risk of accident or illness, such as temperature extremes, moving machinery, loud noises, and fumes. + Requires intermittent periods during which continuous physical exertion is required, such as walking, standing, stooping, climbing, lifting, and maneuvering material or equipment that may be heavy (50+ pounds) or awkward.