For much of the world, it's a niche product. In North Korea, where winter temperatures are frigid and which cannot produce enough cotton or wool for clothing, the synthetic fibre developed after nylon was glorified as a revolutionary invention.
For much of the world, it's a niche product. In North Korea, where winter temperatures are frigid and which cannot produce enough cotton or wool for clothing, the synthetic fibre developed after nylon was glorified as a revolutionary invention.