Ключевые слова: analysis, architecture, backdrop, background, biology, block, brick, building, chemistry, color, concept, construction, development, discovery, drawing, education, experiment, exploration, facade, geography, gray, grunge, idea, innovation, knowledge, lab, laboratory, measurement, multicolor, natural, old, overlapped, paint, physics, research, school, science, scientific, search, structure, study, surface, technology, text, texture, vintage, wall, white, word,