Department of Aid and Rehabilitation: DEM of catastrophe vulnerable locations can help in examining the damage of disaster. Use of topographical maps and DEM will ease the choice of aid distribution factors, mobilization of reduction and rehabilitation of effected folks much more efficierilly. আমাদের সার্ভেয়ারদের ন্যূনতম ৫ বছরের অভিজ্ঞতা রয়েছে, https://marjaneyv581dce4.bcbloggers.com/profile