old aged dangerous asbestos roof - one of the most dangerous materials in buildings so-called hidden killer - concept image with

aged air amiante asbestos asbestoscement asbestosis buildings cancer cancerous carcinogen cement concept concepts concrete construction damage danger dangerous definition dictionary dust environmental exposure fiber fibers hazard hidden ideas illness image industry inhalation intoxication killer lung material materials mesothelioma most old one panels pollution removal risk roof socalled substance toxic tumor vocabulary