Ключевые слова: alignment, arrangement, background, composition, feature, feature image, feature pictures, geology, hard, line, lines, material, mineral, minerals, order, organization, pattern, plan, planning, ranking, rock, rocks, sampling, stone, stones, structure, structures, subject, surface, surfaces, symbol, symbol image, symbol images, symbol photo, symbol photos, symbols, system, texture, textures, theme picture, topic pictures,