Asbestos is a group of naturally occurring fibrous minerals that were widely used in construction processing in the late 19th and 20th centuries. Asbestos was used in various building materials such as insulation boards, pipe insulation, ceiling tiles, and floor tiles. However, since it was discovered that asbestos exposure can lead to incurable illnesses such as mesothelioma, lung cancer, and asbestosis, many countries have forbidden the use of asbestos in construction.