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The Vital Guide to Glass Repair: Exactly How to Repair Your Cracked or Chipped Windows At some time, every home owner will certainly need to deal with the discouraging problem of broken or chipped windows. Whether it is because of severe climate condition, crashes, or simply aging, damaged home windows not just compromise the visual appeals of your home but likewise pose a safety risk. Repairing cracked or broken windows might appear like a difficult job, however with the ideal expertise and tools, it can be a do it yourself project for some homeowners. No

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To investigate the air quality change during the COVID-19 pandemic, we analyzed spatiotemporal variations of six criteria pollutants in nine typical urban agglomerations in China using ground-based data and examined meteorological influences through correlation analysis and backward trajectory analysis under different responses. Concentrations of PM2.5, PM10, NO2, SO2 and CO in urban agglomerations respectively decreased by 18%-45% (30%-62%), 17%-53% (22%-39%), 47%-64% (14%-41%), 9%-34% (0%-53%) and 16%-52% (23%-56%) during Lockdown (Po