Aluminium Primer for Wood
A primer generally recommended for all types of wooh hardwood, based on a special leafing/flake aluminum pigment which prevents tannic acid bleeding. seals bitumen base coatings and surfaces.
Should not be confused with primers for aluminium.
A galvanised or plastic angle beads moulding for corners prior to plastering.Architect
An Architect is a person who is employed by the client to design and oversee the construction works. Additional duties involve attending to all legal and planning matters along with the preparation of drawings, specification and site inspections
Architrave
Trim lining around an opening but most commonly referred to as being around doors but also refers to masonry. 
Asbestos
Asbestos 
A mineral board containing asbestos fibres and generally supplied in plain or corrugated sheet form and other building items.
Also contained in some textured paints and ceiling decorative covering.
Although Asbestos has been banned since the early 1980's care should be taken during
renovation works and if in doubt professional advice should be obtained.
http://www.hse.gov.uk/asbestos/surveys.htm
Atrium
In architecture an Atrium or Skylight refers to the centre of a entrance to a building, large room or court yard with a glass roof which can be more than one story in height. 
Back Putty
A layer of putty used to embed glass into a frame before securing and applying the facing layer of putty
Backing Coat
Plastering term relating to a coarse mix of plaster applied to brick or blockwork before the finishing plaster is applied.
