Ключевые слова: abstract, alarm, background, barrier, closeup, color, colour, concept, concepts, conceptual, danger, dangerous, detail, different, diversity, footprint, footprints, gray, grey, heap, human, idea, ideas, industrial, industry, info, information, interior, lots, macro, many, material, materials, message, modern, new, nobody, object, pile, plastic, plenty, road, round, safety, security, sign, signboard, stone, stones, stop, stress, surface, technology, warn, warning, white,