WATER RECYCLING UNITS FOR SUPPLY OF DRINKING WATER, WASTE WATER DISPOSAL AND WASTE FERMENTATION; SUSTAINABLE WASTE WATER DISPOSALS; SUSTAINABLE DRINKING WATER SUPPLY UNITS; WASTE WATER PURIFICATION PLANTS; DESALIZATION PLANTS FOR SEA WATER; WATER SOFTENING PLANTS; WATER SUPPLY CONDUIT INSTALLATIONS; WATER SANITIZERS, NOT FOR MEDICAL USE; TOILETS; WATER PURIFIERS AND FILTERS FOR DOMESTIC, COMMERCIAL AND INDUSTRIAL USE; AND CONTROL AND MONITORING UNITS FOR THE FOREGOING, SOLD AS A UNIT THEREWITH