Often the seven segments are arranged in an "oblique" (slanted) arrangement, which aids readability. They are similar in content, narrative arrangement, language and paragraph structure. This is achieved through a flexible arrangement of gates. The 172I also introduced the first standard "T" instrument arrangement. An emergency compressed air arrangement was also present. There are benefits to both parties of such an arrangement. See the attached illustration of a Modular HRSG General Arrangement. One involves mistrust of the security of the structural escrow arrangement. There have been a number of concept cars incorporating a series hybrid powertrain arrangement. They had the same general interior arrangement as the tents. It has the same vertex arrangement as the rectangle. Things happened during that time that made it an unworkable arrangement. The leaves have a spiral (alternate) arrangement. The seating arrangement for hockey is asymmetrical. There are also advantages to this arrangement.