Ndili ndi zaka zambiri zopanga batri yopanga , Techning Courtry Dfun . yomwe ingapereke ndalama zambiri zowunikira za DFER . Kuphatikiza pa mndandanda wazogulitsa pansipa, mutha kusinthanso dongosolo lanu lowunikira batri la Dfun malinga ndi zosowa zanu zapadera.