Black or dark stools are a common side effect that may be the harmless result of unabsorbed iron. Whether you are taking iron supplements alone or a multivitamin with iron, you may experience this. Check with your doctor or healthcare provider to find the cause of black stools.
CCYYMMDD is just yyyyMMdd. The CC is for the two digit century which is the same as the first two digits of the year. I think people do that because people see yyyy and still type 12 instead of 2012. So today's date would be 20120717.
A DXF file is a neutral ASCII text file containing CAD drawing information, which can be read by AutoCAD and other CAD applications. Hard Copy: A permanent copy of a CAD drawing issued on opaque bond paper or similar. File: A collection of data stored under a single user name in a computer.Layer: An attribute of an item on a CAD drawing used for grouping of related data (eg: external walls, HV cables etc.) Plot File: A file created by a CAD system utilising the HPGL/2 language whereby a plot is sent to a file rather than a plotter.ile: A collection of data stored under a single user name in a computer. Layer: An attribute of an item on a CAD drawing used for grouping of related data (eg: external walls, HV cables etc.) Plot File: A file created by a CAD system utilising the HPGL/2 language whereby a plot is sent to a file rather than a plotter.