Mu gusoza gahunda y’ ukwezi kw’ibikorwa byo kwizihiza imyaka 100 Margrit FUCHS amaze avutse, imiryango 55 yo mu midugudu ya Kumukenke na Karama yo mu Kagari ka Nganzo, Umurenge wa Muhanga, yahawe ubufasha butandukanye burimo:
1.Gusanirwa amazu batuyemo:
2. Ibikoresho :
3. Gushyigikira imishinga mito: