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.
Steles are the tools used by Shadowhunters to draw runes onto their skin, weapons, and other materials. They are made of adamas and crafted by the Iron Sisters.
Stents are used to open blocked or narrowed arteries or veins. Stents may be used to help prevent coronary arteries from becoming narrowed or blocked repeatedly. A self-expanding stent used during chemotherapy ay be made of metal. Wire mesh metal stents are often used for an angioplastic procedure.