109th Partial list of Initial Accreditation of DPWH Materials Engineers. Category: Department OrderSub Category: human-resourceSeries: 2018No: 172File: DO_172_s2018.pdfDate: Monday, December 3, 2018Tags: 109th Partial list of Initial Accreditation of DPWH Materials EngineersBRS human 172Bureaus and Services: Bureau of Research and Standards Read more about 109th Partial list of Initial Accreditation of DPWH Materials Engineers.