Asbestos is a tough, heat-resistant mineral that was added to the building materials of many older homes. It can pose health hazards to workers and homeowners who renovate or demolish those homes. This animation shows how asbestos fibres could damage lung tissue and lead to lung disease. Presented by WorkSafe BC
http://www.youtube.com/watch?v=80WaLLmqDyU&hl=en
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