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

abatement aged aging air amiante architecture asbestos asbestosi broken building buildings cancer cancerous carcinogen carcinogenicity cement concrete construction damage danger dangerous diagnostic dust encapsulation environment environmental exposure exterior fiber fibrous hazard illness industry inhalation intoxication jeopardy lung material panels particles pollution process removal removing risk roof roofer roughness safety sickness squiggle substance surface survey testing toxic tumor waste