Division of Aid and Rehabilitation: DEM of disaster vulnerable parts may help in examining the hurt of disaster. Use of topographical maps and DEM will relieve the selection of reduction distribution points, mobilization of relief and rehabilitation of effected people more efficierilly. আমাদের সার্ভেয়ারদের ন্যূনতম ৫ বছরের অভিজ্ঞতা রয়েছে, ফলে https://seingalz700pli2.wiki-cms.com/user