Ключевые слова: appliance, black, chemical, construction, control, danger, defect, device, dirt, element, environment, equipment, factory, flange, flaw, gear, industrial, industry, instrument, iron, machine, machinery, mechanism, metal, nondestructive, oil, outdoors, pipe, pipeline, portable, processing, quality, radiation, radiography, repair, steel, tank, technology, test, treatment, tube, unit, weld, welding, xray,