Ключевые слова: 2016, 3d, background, black, business, carved, celebration, equipment, exploration, eyesight, glass, handle, icon, illustration, instrument, insulated, isolated, large, lens, loupe, magnification, magnifier, magnify, magnifying, metal, nobody, object, optical, pen, read, realistic, reflection, ring, round, rubber, scientific, search, sign, single, study, symbol, tool, transparent, vision, watch, white, year, zoom,