Makinawa ndi odula zitsulo zachitsulo (makoyilo a GI, ma PPGI, ma PPGL) kukhala mapepala achitsulo.
Makina amatha kudula makulidwe:
1) osachepera 0.8mm.
2) 0.8-1.5mm.
3) 1.5-2.0mm
4) 2.0-3.0mm
Kudyetsa ma coils mu makina, ndiye kuti kuwongolera ndi kuwongola makola ndi zitsulo kapena mphira wodzigudubuza, ndiye kasitomala amatha kuyika utali uliwonse pamakina owongolera a PLC, makinawo amadula mpaka kutalika.