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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.
Radiologic technologists or radiology technicians are the personnel who operate the machinery and make sure that everything is in order so that an examination can be performed correctly, and the patientâs results are as accurate as possible.oth radiologists and radiology technicians have a detailed understanding of the human anatomy, and work together to come up with the best possible solution. In most health care facilities, the radiologist orders the test or examination, while the radiology technician preps the patient and performs the test.