14th Upgrading of Rank of Accredited DPWH Materials Engineers. Category: Department OrderSub Category: human-resourceSeries: 2016No: 185File: DO_185_s2016.pdfDate: Friday, September 9, 2016Tags: 14th Upgrading Rank Accredited Materials Engineers human BRS 185Bureaus and Services: Bureau of Research and Standards Read more about 14th Upgrading of Rank of Accredited DPWH Materials Engineers.