Ключевые слова: arrow, attention, backdrop, background, caution, danger, dangerous, dangerous to life, design, dirty, electricity, energy, gray, grunge, hazard, high voltage, icon, industrial, industry, label, material, metal, notice, old, outdoor, paint, patternenergysign, power, retro, risk, rough, rust coating, rusty, safety, security, shock, sign, structure, surface, symbol, technical, texture, transformer, transformer station, triangle, vintage, voltage, wall, warning, yellow,