.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.
1 If you are younger than 30 years old, you should get a Pap test every year. 2  If you are age 30 or older and have had 3 normal Pap tests for 3 years in a row, talk to your doctor about spacing out Pap tests to every 2 or 3 years.