 Asbestos was widely used during the 20th century until the 1970s when public recognition of the health hazards of asbestos dust led to its prohibition in mainstream  construction and fireproofing in most countries.
<meaning-changed>  Asbestos was widely used during the 20th century until the 1970s when public recognition of the health hazards of asbestos dust led to its prohibition in mainstream  construction and fireproofing in most countries.
 Asbestos was widely used during the 20th century until the 1970s when public recognition of the health hazards of asbestos dust led to its prohibition in mainstream Inhalation of asbestos fibres can lead to various serious lung conditions, including asbestosis and cancer, so it is now notorious as a health and safety hazard. The use of asbestos for construction and fireproofing in most countries.