Engineering services; Engineering design services; Electronic and electrical systems design services; Mechanical engineering; Electrical engineering; Consulting in the field of mechanical and electrical engineering; Consulting in the field of acoustics, sound, noise, and vibration for scientific purposes; Scientific and technological services, namely, research and design in the field of electronic hardware and embedded systems; Engineering services in the field of acoustics; Product development and engineering services for others; Technological consultation in the technology field of mechanical and electronic design and development of products