Ключевые слова: abstract, analyzing, backgrounds, business, businessman, characters, computer, concepts, data, detective, discovery, examining, exploration, eye, finance, focus, glass, hand, holding, human, ideas, illustrations, instrument, isolated, large, lens, looking, loupe, magnification, magnifying, males, material, men, objects, occupation, office, one, optical, people, person, reading, research, science, scrutiny, searching, single, surveillance, symbol, watching, white,