Ключевые слова: analysis, biological, biology, biotechnology, chemistry, clinical, closeup, development, discover, discovery, education, enlarge, equipment, exam, experiment, forensic, glass, health care, instrument, investigation, lab, laboratory, lens, light, magnification, magnifier, magnify, magnifying, medical, medicine, microbiology, microscope, microscopy, objective, ocular, optic, optical, research, researching, sample, school, science, scientific, scrutiny, slide, study, technology, test, tool,