37 Installation and repair of computers, computer hardware, electrical and electronic equipment, energy generation and storage equipment, monitoring equipment, metering equipment, and power systems; installation and repair services in the field of industrial, household, public and commercial technology; maintenance services in the field of industrial technology; all of the aforesaid services limited to the field of domestic energy production, generation, supply and distribution services; maintenance of computers, computer hardware, electrical and electronic equipment, energy generation and storage equipment, monitoring equipment, metering equipment, and power systems; maintenance services in the field of household, public and commercial technology; technical integration services; information, consultancy and advisory services relating to the aforesaid services, all of the aforesaid services also available online from a computer database or the Internet