Which of the following is a man-made fibre that was made without using any natural raw material (from plant or animal)? It was prepared from coal, water and air. It was the first fully synthetic fibre.

Nylon was the world's first fully synthetic fibre, introduced commercially in the 1930s. Unlike Rayon, which is semi-synthetic and made from plant cellulose, Nylon is fabricated strictly from chemical polymer chains using raw elements found in coal, water, and air.