The industry with the most welders is the architectural and structural metals manufacturing industry. It offers a mean wage of $34,960, much closer to the average for welders as a whole. Pay in the five industries with the greatest number of welders ranges from $32,900 to $37,600 per year.
Magnetic Resonance Imaging device [36â39]. However, the original idea of applying NMR to medical. imaging (MRI) was first proposed by Raymond V, Damadian, M.D. [40], who was granted a U.S. patent for an MRI scanner, and founded a company to manufacture such scanners.
MRI uses a powerful magnetic field, radio frequency pulses and a computer to produce detailed pictures of organs, soft tissues, bone and virtually all other internal body structures. MRI does not use ionizing radiation (x-rays). MRI is a noninvasive imaging technique that does not involve exposure to ionizing radiation. 2  MRI can help physicians evaluate the structures of the brain and can also provide functional information (fMRI) in selected cases.