Ключевые слова: abstract, background, bin, chaos, chips, curled, curly, cutting, engineering, fabrication, filings, industrial, industry, iron, jumble, jumbled, lathe, manufacture, manufacturing, messy, metal, metallic, recycle, recycling, rip, scobs, sharp, shavings, shine, shiny, spiral, steel, steelwork, swarf, technical, technology, trash, turnings, twists,