Ключевые слова: background, banner, black, builder, construction, country, culture, design, engineer, equipment, flag, freedom, german, germany, grunge, hard, hardhat, has, head, helmet, industrial, industry, isolated, job, material, nation, national, old, patriotic, patriotism, pattern, plastic, protection, protective, red, safe, safety, sign, surface, symbol, texture, textured, vintage, wallpaper, white, wood, wooden, work, yellow,