Prefabricated Bathroom Unit (PBU) refers to a bathroom unit, which is preassembled off-site complete with finishes, sanitary wares, concealed pipes, conduits, ceiling, and bathroom cabinets before it is delivered and installed on-site.
Prefabricated Prefinished Volumetric Construction (PPVC) refers to a construction method whereby free-standing 3-dimensional modules are completed with internal finishes, fixtures, and fittings in an off-site fabrication facility before it is delivered and installed on-site.