Primitive Technology: Geopolymer Cement (Ash and Clay)
Hi, this is Wayne again with a topic “Primitive Technology: Geopolymer Cement (Ash and Clay)”. At the brick making hut Making fire by friction, Wood is burnt for ash (, also drying bricks, ) The wood ash To the brick hut. The ash is sifted to get most of the charcoal out. Water is mixed … Read more