Второй свет, панорамное остекление и большие пролеты в доме из клееного бруса: что нужно рассчитать на стадии проекта23.10.2026
Among them were analogs of modern cement. Description of the article: The cement that we know and use in construction was invented in 1822. Its creator was the Russian builder Cheliev, who was the first to make a cement mortar of clay and lime.