¿Por qué son necesarios los purificadores de aire?
Por desgracia las estadísticas no mienten, de acuerdo a Alicia Bárcena, la Secretaria Ejecutiva de la CEPAL (Comisión Económica para América Latina
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Indoor Air Quality Indoor air contains pollutants that can affect human health. Some of these pollutants come from outdoors, and others come
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8 thoughts on “WHO Coronavirus (COVID-19) Dashboard”
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