Gulu lonse la machitidwe amachitidwe limaphatikizidwa pa chimango chachitsulo chosapanga dzimbiri.Valavu yodyetsera ya PO / EO imayikidwa pa chimango kuti muyeso wa sikelo yamagetsi isakhudzidwe panthawi yogwira ntchito.
Dongosolo la zomwe limalumikizidwa ndi payipi yachitsulo chosapanga dzimbiri ndi mavavu a singano, omwe ndi osavuta kulumikizidwa ndikulumikizidwanso.