PE remotely controlled/no. of purification plants > PE total = 0/13 No. of remotely controlled sewerage lifting plants/no. of total sewerage lifting plants = 2/13 No. of remotely controlled aqueduct plants/no. of total aqueduct plants = 19/29 Inserted remote-control sensors on 4 sewage plants and reprogrammed the TLC gauges of 21 aqueduct plants.