Ключевые слова: abstract, background, checker, chrome, construct, corrugated, covering, danger, diamond, fall, floor, flooring, grate, grating, grey, grid, grip, grungy, industrial, iron, ironworks, material, metal, metallic, nonslip, painted, pathway, pattern, plate, prevent, prevention, raised, ramp, repair, rough, rust, rusty, safety, sheet, silver, slip, steel, sticker, strong, surface, texture, traction, tread, urban, walkway,