The World Wide Fund for Nature (WWF) Indonesia Officer explained how to assemble and simulate the use of carbide cannons for the inhabitants of Cot Girek, Cot Girek District, North Aceh, Aceh, Wednesday (20/12). Simulation of assembly / use of explosive carbide-powered cannons facilitated by WWF and the Natural Resources Conservation Center (BKSDA) of Aceh as an effort to prevent and resolve conflict around 60 wild elephants with humans that often occur in the region.