Before revision: 300px|Laboratory, Institute of Biochemistry, University of Cologne Technologists Chemical technologists are more likely than technicians to participate in the actual design of experiments, and may be involved in the interpretation of experimental data.
After revision: اين منبع قابل استناد نيست اقاي كتيبه جان300px|Laboratory, Institute of Biochemistry, University of Cologne Technologists Chemical technologists are more likely than technicians to participate in the actual design of experiments, and may be involved in the interpretation of experimental data.