The Manufacture of glass containing silica was carried out both equally by the Egyptians—no less than as early as 1500 bce—and from the Phoenicians. Absolutely, a lot of the Normally taking place compounds identified as silicates were being used in different forms of mortar for design of dwellings via the https://social.kubo.chat/post/242912_boron-carbide-powder-b-c-fine-abrasive-powder-for-lapping-polishing-and-ceramic.html