31st Partial List of Initial Accreditation of DPWH Materials Engineers. Category: Department OrderSub Category: human-resourceSeries: 2014No: 111File: DO_111_S2014.pdfDate: Friday, October 24, 2014Tags: 31st Partial List Initial Accreditation Materials Engineers BRS Human 111Bureaus and Services: Bureau of Research and Standards Read more about 31st Partial List of Initial Accreditation of DPWH Materials Engineers.