Suspended ceilings are secondary ceilings suspended from the structural floor slab above, creating a void between the underside of the floor slab and the top of the suspended ceiling.
Partitions are non-load bearing walls that separate spaces in buildings. As well as spatial division, they can provide; privacy, acoustic and fire separation and flexibility of layout. Partition walls can be solid, typically constructed from brick or blockwork, or can be a framed construction.
Dry lining is a form of cladding for internal walls, and sometimes ceilings, to prepare them for painting or covering (for example in wallpaper). Plasterboard is attached to create a smooth surface.