Abbreviations dictionary. 2012.
Traditional trades — is a loosely defined categorization of building trades and craftsmen who actively practice traditional trades in respect of historic preservation or heritage conservation of the built environment. Trade technologies Building trades commonly… … Wikipedia
Historic preservation — or heritage conservation is a professional endeavor that seeks to preserve the ability of older (e.g., historic ) objects to communicate an intended meaning. This meaning is rooted in cultural and social processes that negotiate how the… … Wikipedia
