Beisekeyeva С. and Zhumagaliev А. 2023. Influence of the granulometric composition of raw materials on the processes of obtaining ash-ceramic wall materials. Рroblems of engineering and professional education. 10, 1 (Mar. 2023), 72–77. DOI:https://doi.org/10.32523/2220-685X-2012-10-1-72-77.