Typical office environment, typical construction environment, extreme weather conditions, high noise level, safety hazards (electric currents, working on scaffolding and high places, exposure to chemicals), atmospheric conditions (fumes, odors, dusts, mists, gases, poor ventilation). Sitting, walking, talking, hearing, reading, writing, keyboarding, driving, filing, reaching, stooping, crouching, bending, standing for extended periods of time, lifting or carrying up to 40 pounds.