Ключевые слова: abstract, background, blue, chip, closeup, curly, cutting, engineering, environment, environmental, fabrication, filings, garbage, gray, heap, heavy, industrial, industry, iron, junk, lathe, machine, manufacture, manufacturing, material, metal, metallic, metalwork, milling, pile, production, recycle, recycling, rip, rubbish, scrap, sharp, shave, shaving, shiny, silver, spiral, steel, swarf, technical, technology, texture, trash, waste, white,