Rush Memo For JFMS: Orientation and Training on the Use and Maintenance of Mobile Dental Vehicle (MDV), DepEd Memo No.141, s.2016 Posted on October 5, 2016 by marksherwinmagsombol Leave a comment 16-10-020. Orientation and Training on the Use and Maintenance of Mobile Dental Vehicle (MDV), DepEd Memo No.141, s.2016 Memorandum