Thiết kế website bếp sinh học

Thiết kế website bếp sinh học
Xem website: http://vegionstove.com

Approximately 2.5 billion people use wood, dung, coal, and other biomass fuels to cook. This leads to serious ecological problems such as deforestation, desertification, soil erosion, etc. In addition, the resulting indoor air pollution is directly responsible for mortality of millions of people worldwide.