The size of the room in which the bathroom is going to be put. There are three forms of release, ie, where the toilet bowl is linked to the sewer system: directly (horizontal); triangular; perpendicular. In modern apartment buildings, models with direct release are often utilized. This device is very convenient because it can be set up very near the back wall of the bathroom. WCs with vertical discharge are most frequently utilized in private houses and cottages, they are better suited for autonomous sewerage systems. Such devices are also quite compactly placed in the bathroom, without consuming extra room.WCs with a sloping release have been discovered less and less often. The sewerage systems for which they are designed are typical...