Molding definition
Molding, or moulding (Commonwealth), also known as coving (UK, Australia), is a strip of material with various profiles used to cover transitions between surfaces or for decoration. It is traditionally made from solid milled wood or plaster, but may be made from plastic or reformed wood. In classical architecture and sculpture, the molding is often carved in marble or other stones.
A "sprung" molding has bevelled edges that allow mounting between two non-parallel planes (such as a wall and a ceiling), with an open space behind the molding. Other types of molding are referred to as "plain".
Źródło: https://en.wikipedia.org/wiki/Molding_(decorative)
PM for artistically talented
We are all aware of the fact that today the situation in the labor market leaves much to be desired. A lot of people have trouble finding any work, allowing to earn the necessities of life cash. Sorry, but this is one of the biggest problems of modern civilization. If we can not find a job is worth thinking about the original occupation of a professional. A good example is the stucco, and so the industry specializing in unusual ornaments facades and walls inside the house. In this area, it uses a specific type of material that formed specific patterns that make our house look original. If you have any artistic aptitude, we can deal with some kind of carving.
Basic knowledge
Ceilings are classified according to their appearance or construction. A cathedral ceiling is any tall ceiling area similar to those in a church. A dropped ceiling is one in which the finished surface is constructed anywhere from a few inches or centimetres to several feet or a few metres below the structure above it. This may be done for aesthetic purposes, such as achieving a desirable ceiling height; or practical purposes such as acoustic damping or providing a space for HVAC or piping. An inverse of this would be a raised floor. A concave or barrel-shaped ceiling is curved or rounded upward, usually for visual or acoustical value, while a coffered ceiling is divided into a grid of recessed square or octagonal panels, also called a "lacunar ceiling". A cove ceiling uses a curved plaster transition between wall and ceiling; it is named for cove molding, a molding with a concave curve.1 A stretched ceiling (or stretch ceiling) uses a number of individual panels using material such as PVC fixed to a permieter rail.
Źródło: https://en.wikipedia.org/wiki/Ceiling#Types