Kassymbekov Zhuzbay Kozhabaevich; Atamanova Olga Viktorovna; Alimova Kulyash Kapbasovna; Kassymbekov Galymzhan Zhuzbaevich. PROTECTION OF CENTRIFUGAL PUMPS FROM ABRASIVE WEAR USING A VACUUM HYDROCYCLONE. Scientific Journal of Pedagogy and Economics 2020, 6-13.