In the realm of electronics, printed motherboard (PCBs) develop the foundation of practically all gadgets, from simple gizmos to complex machinery. The manufacturing and assembly of PCBs, referred to as PCB assembly or PCBA, entail the integration of multiple electronic components onto a circuit card, producing a useful electronic circuit. http://catholicquestions.ca.wiringdoneright.com/index.php?qa=user&qa_1=colonshell5