hat
Media rflu lakòz: 1 poze sele domaj sifas; 2 Sandwitch enpurte. Reparasyon poze sele sifas epi retire enpurte, ka anpeche rflu.
eng
Media reflux causes: 1 sealing surface damage; 2 sandwiched impurities. Repair sealing surface and remove impurities, can prevent backflow.