Sources of pollution<br>Decoration pollution<br>The paint used in the decoration process and various decoration coatings, leather, carpets, etc. the main pollutants caused by these materials are benzene, toluene, TVOC, etc., such as wood board. The wood comes from the nature itself and is non-toxic, but when it is processed, it is glued with urea formaldehyde glue to form the pollution source of methylaldehyde. The main component of the glue used in the decoration is formaldehyde, and there are a lot of pungent paint Benzene [1].<br>Furniture pollution<br>Formaldehyde produced by furniture materials, coatings and adhesives has become one of the main pollutants of indoor air pollution, and formaldehyde has strong carcinogenic and carcinogenic effects. According to a large number of documents, the effects of formaldehyde on human health are mainly manifested in olfactory abnormality, stimulation, allergy, lung function abnormality, liver function abnormality and immune function abnormality. Therefore, the choice of furniture and the elimination of furniture pollution can not be ignored.<br>
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