The document discusses occupational lung disease in the construction industry. It notes that around 3,000 construction workers suffer from breathing or lung problems caused or exacerbated by their work each year. Common causes of occupational lung disease in construction include asbestos, silica dust, wood dust, welding fumes, paint fumes, and diesel exhaust. The document provides tips for reducing risk, such as using dust suppression techniques, proper ventilation, and personal protective equipment. The overall message is that occupational lung disease remains a significant problem and concerted efforts are needed to control exposures and prevent cases.