| 요약2 |
Asbestos is excellent in tensile tolerance and flexibility. It has been called a miracle mineral due to its diverse features such as noncombustible nature, hard face, insulation, and inexpensive price. Also, there were asbestos contained in ceiling materials which are mainly used as insulating materials, lagging materials and roof material(slate). In addition, asbestos was mainly used in roof slate prior to the 1970s, and asbestos has been used for wall finishing materials and insulating materials since the 1970s. However, it was concluded to be a material that may cause cancer to do humans, thus, asbestos is prohibited to be manufactured, and managed as a harmful material and managed pursuant to the Industrial Safety Health Law. As a result of surveying management institution of the waste asbestos in forward countries, the management institution of the waste asbestos will be revised. Also, those who are dealing asbestos will be educated that the waste asbestos is danger and harmful. |