Kutsenko, L., Kalinovskyi, A., Adashevskaya, I. and Shelihova , I. 2021. MODELING DELIVERY OF EXTINGUISHING SUBSTANCES WITH THE USE OF CONTAINERS IN THE FORM OF A DUMBBELL. Modern problems of modeling. 20 (Mar. 2021), 136-143. DOI:https://doi.org/10.33842/2313-125X/2021/20/136/143.