Rubber is a polymer material that contains hydrogen and carbon. Rubber is a highly flexible material. Originating from natural rubber comes from the liquid of some plants, which have a similar appearance as the white liquid milk. There are many treasures as a colloid particles. Having an intermediary is water. The liquid called LaTeX. Rubber is also called a plant arising from natural rubber. At the same time, human beings can create synthetic rubber from petroleum.
การแปล กรุณารอสักครู่..