Ma'amala don amfani da ƙarfe, filastik, itace, da busasshen bango. Jimlar tsayi: 225 mm. Dace da yankan lokacin farin ciki kayan karfe (2-8mm). Dace da yankan tare da ƙusa itace, kwali (10-100mm), filastik (5-175mm), fiberglass ƙarfafa filastik (8-50mm). Yanke madaidaiciya don karfe.