They must also have knowledge of materials, fabrication, and product technology. Level III inspectors are responsible for training and examining lower level testers. Usually level III testers are in administration, supervision, or management positions, or are sole owners of a testing laboratory or shop. Some level III Nondestructive Testers become consultants. They are also employed in commercial laboratories, consulting firms, and government agencies.
Some testers work in clean and orderly comfortable shops or laboratories.
Others work outdoors and are subject to all types of weather. Usually the work is not strenuous, but at times Nondestructive Testers must lift parts that weigh approximately 50 pounds. Heavier parts are usually lifted by overhead cranes. The job requires bending, carrying, lifting, reaching, and standing. Nondestructive Testers employed in the field may be required to climb ladders or steep stairways.