Ключевые слова: background, design, engineering, engineering design, equipment, gear, grunge, grunge background, grungy background, heavy machinery, industrial, industrial aesthetic, industrial decor, industrial elements, industrial machinery, industrial style, machinery, machinery texture, mechanical, mechanical design, mechanical equipment, mechanical parts, metal, metal equipment, metal texture, metallic gears, nature, nature texture, rock, rock surface, rust, rusted metal, rusty gear, surface, technology, texture, vintage, vintage industrial, vintage industrial decor, vintage machinery, weathered, weathered metal, weathered surface,