The panel is made of metal sheets which are folded over top and bottom spacers. The void contains the water supply pipes, the waste pipes and conduits containing the electric wiring. Also to be found in the void is a vent pipe and the remaining space is filled by foamed plastic. Attached to the panel are a toilet, a bidet, a hand basin and a bath. All of these are attached to one side of the panel which forms part of a bathroom. To the other side of the panel is a sink unit which is part of a kitchen. The panel is built into a normal partition wall.
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