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.
Ghostery, a free browser, is for users who are annoyed by how much they're tracked on the web. When you load a web page in Ghostery, you tap the app's ghost icon to see a list of trackers on that page. You can turn off tracking for any of the specific trackers, web bugs, pixels, and beacons, then reload the page.