So we have the text, and the first one is the... renowned... Famine Stele at Sehel... engraved in 2000 BC... a copy of more ancient texts dating to t… - Joseph Davidovits

[W]e can interpret... two elements... of the industrial activities. First, we may suppose that there had been exhaustion in the Sinai mines. Some minerals are used to make artificial stones, and we have texts... that show... the Sinai mines were very heavily exploited, and afterwards, no longer. Or the manufacture or lime-ash generated an ecological disaster. This is the lime... in the reaction... [with] the () [in water] to... produce the caustic soda that will start the ic reaction.

[W]e find this verb iri-kat in the Famine Stele... where... Khnum is providing the minerals to Pharaoh to build his first pyramid. ...[Y]ou see iri-kat, to manufacture, and the real translation is "since creation, you are the first one who manufactures them (the minerals) to build the temples".

I am a research scientist specializing in low-temperature mineral synthesis. In 1972 I founded the private research company CORDI (Coordination and Development of Innovation), and, in 1979, the Geopolymer Institute, both in France. At the Geopolymer Institute a new branch of chemistry that I named ization. I currently have more than twenty-five international patents for geopolymeric products and processes. My products are made... by large manufacturers. The products have many diverse applications.