analysis of an asbestos sample from an old roof against a technology background with graph, texts and microscope detail

sheet asbestos shingles removal roof abatement asbestosis laboratory testing fibers construction industry equipment science and technology site removing fiber rooftop analysis analyzing analyze concept concepts ideas graph chart tech background microscope old focus cancer illness collection air pollution abstract banner design asbestoscement safety mesothelioma carcinogen tumor lung toxic substance sickness environmental damage dust amiante