Ключевые слова: american, closeup, color images, construction, defects, display, equipment, examining, hand, hands, hanging, horizontal, industrial, industry, inspection, inspector, magnet, magnetic, material, materials, metal, ndt, non destructive, nondestructive, one person, particles, person, photos, professional, quality control, steel, technique, test, testing, the examination, tool, usa, weld, welded, welding, welds, work, worker, working, yoke,