This definition appears very rarely
See other definitions of HWG
Samples in periodicals archive:
Standards Development Working Group. TPC-15.11.08-10 - Overhead Line Structural and Materials & Hardware Working Group
Members of the Open Design & Hardware Working Group have been working these last few months on putting together a project proposal for the magnificent Burning Man...
The Open Design and Hardware working group celebrated its one year anniversary and is busy working on new projects and plans for grandeur.
I am currently coordinating the OSC hardware working group. My first tasks are recruit collaborators and to organize a clear definition of the scope of work of the group.