"Periodic Technical Inspections And Accidental Repairs To Electric Pumps/Mixers For Potable Water And Waste/Rainwater, Manufacturers: Biral, Ksb, Tsurumi, Ebara, Faggiolati, Hidrostal, Ingersoll-Dreser, Lowara, Netzsch, Saer, Vogel, Homa, Sulzer, According To Lots 1÷4