Available online: http://www.baoxaydung.comvn/news/vn/vat-lieu/nhiet-dien-cao- ngan-8-nam-tim-duong-tieu-thu-tro-xi.html (accessed on 17 April 2009). 11. Phuong, H. Cao Ngan Power Plant Builds an Unburned Brick Production Line to Handle Ash in Production. Vietnam Environmental ...