Asbestos is a natural mineral that was commonly used in construction for most of the 20th century. It was mainly preferred for its fire-retardant properties, strength, and resistance to wear and tear.

Though it may have had some positive aspects, asbestos is also known for its harmful effects on human health. When inhaled, asbestos fibers can cause lung cancer, mesothelioma, and asbestosis, among other respiratory illnesses.

In light of these health hazards, asbestos has been banned from use in many countries worldwide. However, for buildings and facilities that were built before the ban, this hazardous material still poses a significant threat to the occupants.