Makulidwe azinthu ndi 0.8-1.0mm, 1.0-1.2mm, 1.2-1.5mm. Aliyense makulidwe osiyanasiyana makina amodzi. Kapangidwe ka Torrist, mbali imodzi imatha kusuntha ndikusintha m'lifupi
1.Yingyee ali ndi mainjiniya odziwa bwino momwe angathanirane ndi kukhazikitsa ndi zovuta zina.
2.Supply magetsi kujambula, PLC kusintha kalozera ndi kanema, kupereka wodzigudubuza kusintha- kalozera kanema; kupereka zojambula za odzigudubuza ngati kuli kofunikira.