Manufacturing services for others in the field of printed circuit boards (PCBs), printed circuit board assemblies (PCBAs), and original equipment manufacturing (OEM); technical support services, namely, providing technical advice related to the manufacture of printed circuit boards (PCBs), printed circuit board assemblies (PCBAs) and original equipment manufacturing (OEM); consulting services pertaining to the manufacture of printed circuit boards (PCBs), printed circuit board assemblies (PCB...