The effect of air pollution that affects the monuments made up of marbles
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Pollutants like sulphur dioxide and nitrogen dioxide, generated by vehicles and industries, react with air moisture to form acids that eat into the marble resulting in change of colour and even corrosion.
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Pollutants like sulphur dioxide and nitrogen dioxide, generated by vehicles and industries, react with air moisture to form acids that eat into the marble resulting in change of colour and even corrosion.
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