detailed photography of roof covering material with asbestos fibres. health harmful and hazards effects

asbestos asbestosis background building cancer cancerous closeup construction crystals damage danger dangerous dirty disease dust environment fiber fibers fireproof hazardous materials health house illness industrial industry lung material mesothelioma mineral minerals old pipe pollution protection removal restricted risk roof roofing safety sheet silicate substance surface texture toxic wall waste detailed covering fibres harmful hazards effects prolonged inhalation microscopical fatal illnesses including fibres effects