The employee must be able to occasionally perform heavy physical labor, lift up to 50 pounds, walk on uneven surfaces, climb ladders, be able to inspect and perform work in positions such as standing, bending, squatting, and sitting; able to utilize the senses of sight, hearing, and touch to recognize and to accurately evaluate equipment and process conditions. In the performance of job duties, the employee is frequently required to sit, talk or hear; walk; use hands to finger, handle, or feel objects, tools, or controls; bend; twist; reach with hands and arms.