Si faahfaahsan u sharax habka daabacaadda, xisaabinta cabbirka, radius foorarsiga, hanuuninta naqshadaynta iyo dhibcaha kale ee aqoonta looxyada wareegyada si aad dadka uga caawiso inay si cad u fahmaan naqshadaynta, caddaynta, isu imaatinka iyo soo saarista PCB ama PCBA si cad.