how watercolor papers are made. The technology for making paper from hemp fibers began to standardize in China around the first century BCE. The first true sheets of paper are said to have been the experimental papers made with a variety of materials — bark, hemp, rag and fishnet pulp — by the Chinese court eunuch Ts'ai Lun in 105 CE.
A carpet is a textile floor covering typically consisting of an upper layer of pile attached to a backing. The pile was traditionally made from wool, but, since the 20th century, synthetic fibers such as polypropylene, nylon or polyester are often used, as these fibers are less expensive than wool.