39th Partial List of Initial Accreditation of DPWH Materials Engineers. Category: Department OrderSub Category: human-resourceSeries: 2015No: 9File: DO_009_S2015.pdfDate: Friday, January 23, 2015Tags: 39th Partial List Initial Accreditationo Materials Engineers human 009Bureaus and Services: Bureau of Research and Standards Read more about 39th Partial List of Initial Accreditation of DPWH Materials Engineers.