The work is sedentary. Typically, the employee may sit comfortably to do the work. The work area is adequately lighted, heated and ventilated. However, the work also 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 of moderately heavy items such as pump parts. The work involves moderate risks or discomforts requiring special safety precautions, e.g., working around moving parts or machines. Employees may be required to use personal protective equipment such as; masks, gowns, coats, boots, goggles, gloves or shields. The work may require specific, but common, physical characteristics and abilities such as above-average agility and dexterity.