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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.
OB Tech Job Description. Obstetric technicians and ob-gyn techs, assist during childbirth and provide support to nurses and doctors. They donât provide direct nursing care but do participate in routine births, cesarean sections, hysterectomies and other procedures related to childbirth or a womenâs gynecological health.