There are two types of central air conditioning systems: Direct Expansion (DX) type of central air condition plants and Chilled Water type of the central air conditioning plants. This article describes the DX central air conditioning system.
Ghostscript is a suite of software based on an interpreter for Adobe Systems' PostScript and Portable Document Format (PDF) page description languages. Its main purposes are the rasterization or rendering of such page description language files, for the display or printing of document pages, and the conversion between PostScript and PDF files.
Installation and Configuration of Ghostscript. Ghostscript is needed by Scribus for two purposes, namely the print preview (File > Print Preview) and the rasterisation of EPS files in image frames. If you don't need one of those features, you can safely ignore the warning message displayed by Scribus in case Ghostscript isn't installed.