Ключевые слова: abstract, aged, backdrop, background, banner, black, border, construction, danger, dark, design, diagonal, dirty, factory, grunge, grungy, hard, hazard, illustration, industrial, industries, industry, interesting, line, old, panel, pattern, safety, scratched, sign, street, striped, stripes, symbol, tape, texture, textured, the attention, the caution, the creation, the irony, the road, traffic, underground, urban, warning, weathered, worn, yellow,