Printed Circuit Boards (PCBs) are the backbone of contemporary digital tools, playing a critical duty in powering and attaching the parts that make our devices smarter and much more effective. With the rapid advancement in technology, numerous types of PCBs have emerged, each dealing with details demands and applications. This http://tawassol.univ-tebessa.dz/index.php?qa=user&qa_1=knightmarch46