The man in a jacket leaves the classroom and as he opens the door he bumps in to an elder man (expert on asbestos) in suit and glasses and they shake hands introducing themselves. The man points to the man fixing the ceiling and the expert comes in to tell him to stop what he is doing immediately unless he puts on a respirator. The man on the ladder argues him. Close up of the expert pointing out that drinking coffee, smoking and wearing street clothes while handling asbestos is not a good idea at all. The man standing next to him nods and tells the name of other three experts he called but they all turn out to be the man next to him. The man gets down of the ladder. The expert tells the result of recent researches on danger of asbestos to human bodies. Close up of a x-ray photo of lungs. A medium shot of a doctor pointing to the x-ray photo.