Ключевые слова: abstract, abstract backgrounds, background, backgrounds, blue, chips, closeup, curly, engineering, environment, fabrication, gray, heap, heavy, indoors, industrial, industry, iron, junk, machine, machinery, macro, manufacture, material, metal, metal shavings, milling, pattern, pile, production, recycling, scrap, scrap metal, selective focus, sharp, shavings, shiny, silver, spiral, steel, swarf, tangled, technical, texture, trash, waste, work, workshop,