Computer programs, recorded; security surveillance robots; acidimeters for batteries; optical instruments and apparatus; cell switches [electricity]; batteries, electric; electric control devices for energy management; ionization apparatus not for the treatment of air or water; materials for electricity mains [wires, cables]; radios.

Technological research; scientific research in the field of energy; computer software design; design and development of software in the field of mobile applications; platform as a service [PaaS]; computer aided industrial design services; testing of apparatus in the field of electrical engineering; chemical research and analysis; structural engineering design services; graphic design.