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Marble tiles have been very prosperous in recent years. Not to mention that many designers in design companies have begun to recommend marble tiles, and many consumers will also take the initiative to request that they hope to use marble tiles for home decoration. With the appearance of marble tiles, the realistic texture allows people to obtain the marble decoration effect they have always wanted, and it has more advantages than marble in terms of price and post-care. However, for the problem of indoor pollution, everyone's cognition only stays in formaldehyde and other air pollutants, and it is easy to ignore another invisible damage --- "indoor light pollution".