Asbestos

**Definition:** Asbestos. Fibrous incombustible mineral composed of magnesium and calcium silicates with or without other elements. It is relatively inert chemically and used in thermal insulation and fireproofing. Inhalation of dust causes asbestosis and later lung and gastrointestinal neoplasms.

**Tree numbers:** - D01.578.725.050 - D01.837.725.700.760.070