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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.
Medical Technologist & Technician Job Description. Medical technologists â often referred to as medical laboratory scientists â and medical technicians both work to collect samples from patients and run tests. These tests analyze tissue, bodily fluids, and other bodily substances for a wide variety of purposes.