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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.
Endoscopy Technician Job Description. An endoscopy technician is a medical assistant who helps endoscopy nurses and physicians in the gastroenterology (GI) specialty. They deal with patients who have stomach or intestine problems, or those who are undergoing treatment for serious illnesses like colorectal cancer.