known applying TiO2 is inexpensive but takes only 4-5% of construction costs
of the building also has a large area, TiO2 can use for smaller surfaces such as advertisements, posters, clothing
by incorporating TiO2 nanoparticles in laundry detergent, clothes will have functional air filter after cleaning
polymer chemist Tony Ryan of the University of Sheffield, said each set of clothes so could eliminate 5- 6 grams of nitrogen dioxide NO2 per day
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