Ключевые слова: background, blue, equipment, examine, exploration, eyesight, glass, instrument, investigate, large, lens, look, loupe, magnification, magnifier, magnify, magnifying, magnifying glass, metal, object, optic, optical, plastic, realistic, science, scientific, scrutiny, search, see, sherlock, sign, single, solve, study, symbol, tool, truth, uncover, view, white, zoom,