The paper contains the results of a lengthy analysis of the operation of sewers renovated using the relining method. The author based the analysis on the effects obtained from computer simulations that were carried out using the Finite Element Method. The models used to proceed with the FEM simulations were verified by the results obtained from 1:1 laboratory research. conducted by th... https://www.ealisboa.com/great-deal-Pentair-Union-Collar-2-U11-200PS-super-offer/