The work environment involves everyday risks or discomforts requiring normal safety precautions typical of such places as kitchens, restaurants, bars, coolers, offices, meeting and training rooms, libraries, residences, and commercial vehicles, e.g., use of safe work practices with kitchen equipment, avoidance of trips and falls, observance of fire, health and safety regulations and traffic signals, etc. The work requires some physical exertion such as long periods of standing; walking over rough, uneven, or rocky surfaces; recurring bending, crouching, stooping, stretching, reaching, or similar activities recurring lifting heavy objects over 50 pounds.