M'dziko lamakono lamakono laukadaulo, mapangidwe a mawonekedwe a ogwiritsa ntchito amathandizira kwambiri kukulitsa luso la ogwiritsa ntchito pazida ndi zida zosiyanasiyana.Njira imodzi yatsopano yomwe yatchuka kwambiri ndikusintha kwa membrane ya PCB.Nkhaniyi ikuyang'ana zovuta za ma switch a PCB, zigawo zake, mfundo zogwirira ntchito, ubwino, ntchito, malingaliro a mapangidwe, kupanga, kukonza, ndi zomwe zidzachitike mtsogolo.