Book (Practical) Science and nature Work book of passing examination for operations chief of work with X-rays

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Science and Nature
Final version of the work book for Examination Preparation for Operations Chiefs of Work with X-rays! Five years of examination questions (10 published questions) from the latest 2020 (published questions in October) are organized and classified according to the field of questions, so that important and frequently occurring points can be immediately identified. Detailed explanations of each option are provided, so that you can grasp examination trends and take measures with this one volume.