Makina a Nokia SMT (omwe nthawi zambiri amatchedwa SIPLACE mndandanda) cholakwika "PCB yosakwaniritsa zomwe mukufuna" ndi vuto lofala kwambiri. Cholakwika ichi chikutanthauza kuti bolodi la PCB silinafike pa malo omwe amayembekezeredwa "exit sensor" ya dongosolo pamene idatuluka mu makina a SMT, zomwe zinayambitsa kusokonezeka kwa ndondomeko.






