Ключевые слова: background, biology, biotechnology, chemistry, close, closeup, copy, development, discovery, education, equipment, experiment, forensics, glass, health, instrument, investigation, laboratory, lens, medical, medicine, metal, micro, microbiology, microscope, microscopy, object, optical, optics, rennet, research, school, science, scientific, scientist, scope, space, technology, test, university, white,