**NM signifies a non meaningful value. A dash signifies the data is not available.
I've been writing about software and hardware for PCMag for more than 40 years, focusing on operating systems, office suites, and communication and utility apps. I've specialized in everything related ...
Checking the document number is an additional tool to confirm the validity or invalidity of a document. A decision based only on the information available via such a site can be inaccurate for a ...