40 Manufacturing of products by application of advanced materials processing and component fabrication techniques in the engineering field to the order and specification of others; machine shop services, namely, machining parts for others; computer numerical control (CNC) machining of parts for others; manufacturing process consulting and advisory services; prototype fabrication of new products for others; manufacturing process consulting; custom manufacturing in the aerospace, aeronautics, unmanned aerial vehicle, defense, sporting goods, medical devices, energy generation, and camera fields; and manufacturing services for others in the aerospace, aeronautics, unmanned aerial vehicle, defense, sporting goods, medical devices, energy generation, and camera fields