The Technology Development and Advisory Unit at the University of Zambia has donated a hand-press interlocking soil block machine to Hope Ofiriha to build the Mario Primary School. The donation—which ultimately will help educate hundreds of war orphans, former child soldiers, and other vulnerable children—is wonderful in so many ways! Production of interlocking soil-compressed blocks is environmentally friendly because very little water and cement and no firewood are used to make them. It is also much cheaper than buying and transporting manufactured ones because they are produced locally with local soil and… Read More