.dwg. DWG (from drawing) is a proprietary[2] binary file format used for storing two- and three- dimensional design data and metadata. It is the native format for several CAD packages including DraftSight, AutoCAD, IntelliCAD (and its variants), Caddie and Open Design Alliance compliant applications.
You and your doctor can decide when it's time for you to begin Pap testing and how often you should have the test. In general, doctors recommend beginning Pap testing at age 21.
American College of Obstetricians and Gynecologists recommends first Pap tests at 21; After age 21, women should have a Pap test every two years, instead of every year; Rates of cervical cancer have declined by 50 percent since the 1970s