Ibiranga:Nta guhindagurika kw'ibintu iyo bikorerwa ku bushyuhe buri hejuru bwa dogere 250°C igihe kirekire.
Ibisobanuro:
d1 = 15-22 mm
d2 = mm 5-9
L1 ≤mm 3000
L2 ≤mm 150
