Distinct molecules called agglutinogens (a type of antigen) are attached to the surface of red blood cells. There are two different types of agglutinogens, type A and type B. Each type has different properties.
MDB: Geodatabase. The geodatabase is a collection of geographic datasets of various types, with the most basic types being vector, raster, and tabular data. There are three types of geodatabases: file, personal, and ArcSDE. Geodatabases are the native data format for ESRI's ArcGIS.
The EPS file format. EPS or Encapsulated PostScript is a standard graphics file format for exchanging images, drawings (such as a logo or map) or even layouts of complete pages. An EPS file internally contains a description of such an object or layout using the PostScript page description language. It can include both bitmap and vector data.