Efficiency of application of fiber concrete as a material for manufacturing bodies of centrifugal pumpsKassym Yelemessov, Dilda Nauryzbayeva, Saiyn Bortebayev, Dinara Baskanbayeva and Viktoriya ChubenkoE3S Web Conf., 280 (2021) 07007DOI: https://doi.org/10.1051/e3sconf/202128007007