Fotokozani mwatsatanetsatane ndondomeko yosindikizira, kuwerengera kukula, kupindika utali wozungulira, chitsogozo cha mapangidwe ndi mfundo zina za chidziwitso cha matabwa a dera kuti athandize anthu kumvetsetsa kamangidwe, kutsimikizira, kusonkhanitsa ndi kupanga PCB kapena PCBA momveka bwino.