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Job Duties. Health physics technicians use equipment, such as spectrometers and gamma counters, to determine levels of radiation. They calculate exposure times and instruct workers in safety procedures and precautions, including the use of radiation detectors and protective gear.
What Do Radiologic Technologists Do? Radiologic technologists are the medical personnel who perform diagnostic imaging examinations and administer radiation therapy treatments. They are educated in anatomy, patient positioning, examination techniques, equipment protocols, radiation safety, radiation protection and basic patient care.