Ключевые слова: ac yoke, accuracy, construction, crack, dc yoke, defect, equipment, gauss meter, groove, inspection, inspector, instrument, leg, magnet, magnetic, magnetic field, magnetic yoke, measure, measurement, metal, mpi, mt, nde, ndt, non destructive test, oil and gas, particle, perform, personal, pipe, pipeline, precision, protect, quality, quality control, risk, spray, steel, visual test, weld, welding engineer, white, work,