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Poor combustion efficiency leads to emission of carbon dioxide, methane and nitrous oxide which leads to increase of greenhouse gases

Poor combustion efficiency leads to emission of carbon dioxide, methane and nitrous oxide which leads to increase of greenhouse gases

The risks to asbestos workers were among the first identified hazards of building materials

The risks to asbestos workers were among the first identified hazards of building materials. Fine dusts are also a problem in many other material-production industries, especially lime, cement and gypsum manufacture. Dusts of organic origin can likewise create health hazards of tumours and various allergic conditions for workers in sawmills and wood-based industries.