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Volatile organic compounds ( VOCs ) such as aldehydes , ketones , and aromatics are the products from some natural processes and industrial operations .The exposure to VOCs will cause serious health issues , i . e . , nausea , respiratory problems , dizziness , liver damage , and cancer .In addition , VOCs are accountable for the formation of urban smog and the depletion of ozone layer in the troposphere .Therefor... |